Narrows at sunset, North rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0305.html Rock gorge near Scoville point. Isle Royale National Park, Michigan, USA. http://www.terragalleria.com/parks/np-image.isro0354.html Rafters in Santa Elena Canyon of the Rio Grande. Big Bend National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.bibe6003.html Red Rock Canyon. Waterton Lakes National Park, Alberta, Canada http://www.terragalleria.com/north-america/canada/waterton/picture.caab34069.html Goosenecks of the San Juan River, Goosenecks of the San Juan State Park. Utah, USA http://www.terragalleria.com/america/utah/cedar-mesa/picture.usut9003.html Sol Duc falls. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym11120.html Yellowstone River, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell2249.html Stream cascading in narrow gorge, Avalanche creek. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac0575.html Kuskulana canyon and bridge. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37134.html Oneonta Gorge and falls. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37603.html Owens River Gorge. California, USA http://www.terragalleria.com/california/picture.usca9874.html Narrow Gorge between Qingyin and Hongchunping. Emei Shan, Sichuan, China http://www.terragalleria.com/asia/china/emei-shan/picture.chin5165.html Deep gorge carved by the Lethe River, Valley of Ten Thousand Smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm5998.html Canyon at the base of Athabasca Falls. Jasper National Park, Canadian Rockies, Alberta, Canada http://www.terragalleria.com/north-america/canada/jasper/picture.caab33766.html Forest and gorge, Lava Canyon. Mount St Helens National Volcanic Monument, Washington http://www.terragalleria.com/america/washington/mount-st-helens/picture.uswa11411.html Gorge and precarious bridge, Zanskar, Jammu and Kashmir. India http://www.terragalleria.com/asia/india/ladakh/picture.indi11518.html Deep narrow box canyon with vertical walls. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora50883.html Roadway meandering through vertical gorge. Giant Sequoia National Monument, Sequoia National Forest, California, USA http://www.terragalleria.com/california/picture.usca50004.html Canyon through volcanic rock. Maui, Hawaii, USA http://www.terragalleria.com/pacific/maui/maui-southeast/picture.hawa49709.html Waterfall in narrow gorge, North Cascades National Park Service Complex. Washington, USA. http://www.terragalleria.com/parks/np-image.noca2098.html Gorge carved by Ohe o stream. Haleakala National Park, Hawaii, USA. http://www.terragalleria.com/parks/np-image.hale5933.html Richardson Highway passing between steep walls, Keystone Canyon. Alaska, USA http://www.terragalleria.com/america/alaska/richardson-highway/picture.alas37244.html Fern Canyon with Fern-covered walls, Prairie Creek Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw1438.html Narrow passage between cliffs, Devil's Hall. Guadalupe Mountains National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.guma1194.html Colorado River at Granite Gorge Narrows. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20092.html Quechee Gorge and river in the fall. Vermont, New England, USA http://www.terragalleria.com/america/north-east/vermont/picture.usvt20449.html Flume Brook, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45362.html Water flowing from under lava tube. Oregon, USA http://www.terragalleria.com/america/oregon/southern-oregon-cascades/picture.usor44985.html Blue hues from Island peaks view, North rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0316.html Flowers, cactus, and Rio Grande in Santa Elena Canyon. Big Bend National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.bibe1429.html Canyon and river from the Kuskulana bridge. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37012.html Oneonta Falls at the end of Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37600.html Deep gorge carved by the Lethe river in the ash-covered floor of the Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0085.html Box Canyon. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora50882.html Wall and River in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6023.html At the bottom of Kings Canyon. Giant Sequoia National Monument, Sequoia National Forest, California, USA http://www.terragalleria.com/california/picture.usca49996.html Deeply eroded canyon. Maui, Hawaii, USA http://www.terragalleria.com/pacific/maui/maui-southeast/picture.hawa49707.html River, vegetation covered rock walls, Keystone Canyon. Alaska, USA http://www.terragalleria.com/america/alaska/richardson-highway/picture.alas37247.html Slot canyon, Deer Creek Narrows. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20098.html Family in Red Rock Canyon. Waterton Lakes National Park, Alberta, Canada http://www.terragalleria.com/north-america/canada/waterton/picture.caab34068.html Water rushing in narrow mossy gorge, Avalanche Creek. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac20549.html Fern-covered walls, Fern Canyon, Prairie Creek Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw1439.html Tree and moon at night through the narrow canyon of Devil's Hall. Guadalupe Mountains National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.guma1195.html Photographer on overhang above the San Juan River, Goosenecks of the San Juan State Park. Bears Ears National Monument, Utah, USA http://www.terragalleria.com/america/utah/bears-ears/picture.usut9009.html Sol Duc river and falls. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym20652.html Gorge Creek falls in summer, North Cascades National Park Service Complex. Washington, USA. http://www.terragalleria.com/parks/np-image.noca20638.html Lava Canyon. Mount St Helens National Volcanic Monument, Washington http://www.terragalleria.com/america/washington/mount-st-helens/picture.uswa11410.html The Flume, narrow granite gorge, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45360.html Rogue Gorge. Oregon, USA http://www.terragalleria.com/america/oregon/southern-oregon-cascades/picture.usor44987.html Narrows from Chasm view at sunset, North Rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0320.html Lethe river, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0087.html Oneonta Falls. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37599.html Canyon of the Muddy Fork of Cowlitz River. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora50885.html Windy Cliffs and South Fork of the Kings River Gorge, dusk. Giant Sequoia National Monument, Sequoia National Forest, California, USA http://www.terragalleria.com/california/picture.usca49997.html Falls of the Yellowstone River, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell8812.html Bridalveil Falls cascading next to rood, Keystone Canyon. Alaska, USA http://www.terragalleria.com/america/alaska/richardson-highway/picture.alas37241.html Entrance of Deer Creek Narrows. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20099.html Bridge over Kuskulana canyon and river. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37009.html Fern Canyon, Prairie Creek Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw20664.html Rio Grande in Santa Elena Canyon. Big Bend National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.bibe20787.html Mossy gorge, Avalanche creek. Glacier National Park, Montana, USA. http://www.terragalleria.com/parks/np-image.glac20548.html Sol Duc falls and wooden footbridge. Olympic National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.olym20651.html Hiking the Flume in the rain, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45364.html Water flowing from under basalt tube. Oregon, USA http://www.terragalleria.com/america/oregon/southern-oregon-cascades/picture.usor44986.html Pinnacles and spires, Island peaks view, North Rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0326.html Stream and slot-like canyon walls, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37610.html The Lethe river carved a deep gorge into the ash of the Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0122.html Mossy green basalt canyon. Mount Rainier National Park, Washington, USA. http://www.terragalleria.com/parks/np-image.mora50884.html Road through vertical canyon walls. Giant Sequoia National Monument, Sequoia National Forest, California, USA http://www.terragalleria.com/california/picture.usca50003.html River and Walls of the Grand Canyon of Yellowstone, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21251.html River and rock walls, Keystone Canyon. Alaska, USA http://www.terragalleria.com/america/alaska/richardson-highway/picture.alas37248.html Narrow Fern Canyon with stream and walls covered with ferms, Prairie Creek Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw20665.html Red sandstone gorge carved by Deer Creek. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20097.html Foot catwalk below the Kuskulana river bridge. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37010.html Rio Grande and cliffs in Santa Elena Canyon. Big Bend National Park, Texas, USA. http://www.terragalleria.com/parks/np-image.bibe20788.html Flume brook at the base of granite and basalt walls, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45367.html Plateau and gorge. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca5852.html Couple embracing on car hood, with view of mouth of river gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37622.html Moonrise on Kings Canyon, South Fork of the Kings River. Giant Sequoia National Monument, Sequoia National Forest, California, USA http://www.terragalleria.com/california/picture.usca50001.html Falls of the Yellowstone River, early morning. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21246.html Convergence of the Lethe river and and Knife river, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm0112.html Stream and walls covered with ferns, Fern Canyon, Prairie Creek Redwoods State Park. Redwood National Park, California, USA. http://www.terragalleria.com/parks/np-image.redw4299.html Richardson Highway and waterfalls, Keystone Canyon. Alaska, USA http://www.terragalleria.com/america/alaska/richardson-highway/picture.alas37239.html Kuskulana gorge, river, and bridge. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37133.html Bottom of Grand Canyon with Tapeats Creek joining Colorado River. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20090.html Rainy day at the Flume, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45366.html The Narrows seen from Chasm view at sunset. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca5851.html Stream and moss-covered walls, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37607.html Gorge at the convergence of Lethe and Knife rivers, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm21118.html Grand Canyon of Yellowstone and Lower Falls with snow dusting. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21248.html Colorado River in autumn. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20093.html Aspen, Kuskulana canyon and bridge. Wrangell-St Elias National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.wrst37137.html Flume gorge and hikers walking on boardwalk, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45365.html Narrows seen from Chasm view at sunset, North rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0319.html Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37592.html Gorge carved by Lethe River ash floor of Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm21119.html River and Walls of the Grand Canyon of Yellowstone, dusk. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21250.html Cascade of Deer Creek. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20100.html Boardwalk in the Flume, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45363.html Painted wall from Chasm view at dawn, North Rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0321.html Narrow canyon, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37589.html Falls of the Yellowstone river in Grand Canyon of the Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell6024.html The Lethe river carved a deep gorge into the ash of the Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm21120.html Colorado River with chocolate-colored waters in fall. Grand Canyon National Park, Arizona, USA. http://www.terragalleria.com/parks/np-image.grca20094.html Flume Gorge, Franconia Notch State Park. New Hampshire, USA http://www.terragalleria.com/america/new-hampshire/white-mountains-nh/picture.usnh45359.html Depths of the canyon from Chasm view, North Rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0314.html View from North rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0308.html Gunisson River in narrow gorge in spring. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20052.html Spires and canyon walls. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20056.html Gunisson river near the Narrows. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0330.html Gunisson river near Narrows. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20053.html Sunset View. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45125.html Narrow gorge under dark clouds. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20064.html The Narrows seen from Chasm view, North Rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0312.html Boulders in Gunisson river near the Narrows. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca5848.html Narrowest part of canyon backlit in afternoon. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20059.html View down side canyon. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0309.html Deep and narrow gorge seen from Chasm view. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca5850.html canyon from North vista trail. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20062.html View down steep rock walls and narrow chasm. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20060.html Canyon from North vista trail. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20063.html The Narrows, North Rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0306.html Narrows in late afternoon. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0315.html Boulders and rapids of Gunisson River. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20051.html Gunisson River flowing beneath steep canyon walls. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20054.html Rock spires and Gunisson River from above. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20058.html View of canyon walls from Gunisson river. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca0328.html Canyon and river from Island peaks overlook, North rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20057.html Canyon and Lower Falls of the Yellowstone river. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell21249.html Hikers wading, Oneonta Gorge. Columbia River Gorge, Oregon, USA http://www.terragalleria.com/america/oregon/columbia-river-gorge/picture.usor37595.html Painted wall from south rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45119.html Canyon and storm clouds, Gunnison Point. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45128.html River gorge, Grand Canyon of Yellowstone. Yellowstone National Park, Wyoming, USA. http://www.terragalleria.com/parks/np-image.yell0526.html painted wall from Chasm view, North Rim. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20050.html Gunisson river rapids near Narrows. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca20055.html Sheer cliff with flourishes of crystalline pegmatite. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45123.html Canyon view from Tomichi Point. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45102.html Colorful ash and Lethe River gorge, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm21122.html Hard gneiss and schist walls. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45121.html Gunisson River at Cross Fissures. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45106.html East Portal in spring. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45134.html Stripes of pink and white crystalline pegmatite on rock wall. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45122.html Lethe river gorge and volcanic peaks, Valley of Ten Thousand smokes. Katmai National Park, Alaska, USA. http://www.terragalleria.com/parks/np-image.katm21121.html Narrow gorge. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45107.html Striated rock walls. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45105.html Wall with swirling veins of igneous pegmatite. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45120.html Tomichi Point view, late afternoon. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45104.html Grasses and canyon walls, East Portal. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45135.html Canyon buttres from Tomichi Point. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45103.html Flowers, canyon, and menacing clouds, Gunnison Point. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45130.html Approaching storm, Tomichi Point. Black Canyon of the Gunnison National Park, Colorado, USA. http://www.terragalleria.com/parks/np-image.blca45133.html