Walk, paddle, and look around 77 Terrain360 trails with 34,561 scenes across the Ice Age Floods corridor. Five trails were captured specifically for the Ice Age Floods collection; the rest provide related coverage along the rivers, coulees, and landscapes the floods shaped.
Umatilla Rock Trail winds through the Sun Lakes-Dry Falls landscape, where an enormous basalt monolith stands...
Deep Lake sits in a basin scoured out by the Missoula Floods within Sun Lakes-Dry Falls State Park. The lake...
The Pot Holes near Potholes Reservoir are textbook examples of scabland erosion, where columns of floodwater...
Dry Falls is the single most dramatic piece of evidence for the Missoula Floods: a 3.5-mile-wide,...
Park Lake occupies another flood-scoured depression in the Sun Lakes chain, a string of lakes that formed in...
The Clearwater River between Three Rivers and Kamiah flows through a deep canyon in central Idaho that served...
Lake Herbert, a reservoir on the Snake River, fills a section of the deep basalt canyon that channeled...
The Clearwater River from Harpers Bend to Lewiston descends through an increasingly deep canyon before...
The stretch from McNamara to Bonner approaches the area near Missoula where Glacial Lake Missoula reached...
This Snake River corridor between Walker and Fishhook Park preserves dramatic flood terraces and slackwater...
The route from Clearwater to Dunnigan Gulch follows the Clark Fork corridor through terrain that was...
Between Nine Mile and McNamara, the Clark Fork River valley was inundated by Glacial Lake Missoula to depths...
This corridor along the Clark Fork River in Montana traces the very origin of the Missoula Floods. The Clark...
This segment of the Lolo Trail connects to the Nee Me Poo Trail, named for the Nez Perce people who traveled...
The Snake River canyon between Lewiston and Blyton Landing is one of the deepest river gorges in North...
The Nee Me Poo Trail between its junction and Castle Butte follows the Bitterroot Mountain divide, a...
The Columbia River corridor served as the primary drainage channel for the Missoula Floods, carrying an...
The lower Columbia between Astoria and Rainier represents the final stretch where the Missoula Floodwaters...
The Snake River canyon between Windust Park and Walker contains some of the best-preserved slackwater flood...
This stretch of the Clearwater River between Fivemile and Harpers Bend winds through a canyon carved by...
The Blackfoot River flows through the heart of what was once Glacial Lake Missoula, the source of the...
The Fort to Sea Trail traces a 6.5-mile path from Fort Clatsop to the Pacific coast, crossing a landscape...
The Lolo Trail descending toward Syringa, Idaho, follows the route Lewis and Clark used to cross the...
Cascade Locks sits at a critical narrows in the Columbia Gorge where the Missoula Floodwaters were compressed...
Lake Bryan, impounded by Little Goose Dam on the Snake River, stretches through a basalt canyon that served...
Below Portland, the Columbia River widens as it carried the Missoula Floodwaters toward the Pacific Ocean....
This segment of the Lolo Trail leads toward Forest Road 101, following the mountain route that Lewis and...
The Clatsop Loop Trail circles through the forests and wetlands near Fort Clatsop, the site of Lewis and...
This trail traverses the Columbia River from the Portland Basin upstream into the heart of the Columbia...
The trail from Liz Butte Road to Weitas Butte Road traverses the spine of the Bitterroot Mountains along the...
The Columbia River between Umatilla and Kennewick crosses the heart of the mid-Columbia flood corridor, where...
This stretch of the Columbia Gorge between The Dalles and Hood River preserves some of the most dramatic...
Big Flat Habitat area along the Snake River showcases the broad, flat terraces created by Missoula Flood...
Lake Celilo stretches along the Columbia River near The Dalles, Oregon, where the river was once forced...
Heading downstream from Palouse Falls toward Lyons Ferry, the canyon widens and reveals the full scale of...
The Portland Basin was inundated during each Missoula Flood event, with floodwaters backing up to 400 feet...
The route from Lyons Ferry to Palouse Falls follows a dramatic scabland canyon carved by Missoula Floodwaters...
Imnamatoon Road follows a ridge route through the Bitterroot Mountains, part of the Lolo Trail network that...
The Selway River drains the pristine Selway-Bitterroot Wilderness, flowing through terrain sculpted by...
The route from Castle Butte Road to Sherman Creek Road traverses a high-elevation segment of the Lolo Trail...
The Kwis Kwis Trail traverses the forested ridgeline near Seaside and Tillamook Head, offering elevated views...
This stretch of the Snake River approaches its confluence with the Columbia, where massive volumes of...
Lower Granite Lake occupies the Snake River canyon upstream of Lower Granite Dam, in a reach where Missoula...
Multnomah Falls plunges 620 feet over a basalt cliff face that was undercut and steepened by the Missoula...
The Lewis and Clark River near Astoria flows through a valley filled with Missoula Flood sediment that was...
The confluence of the Snake and Columbia Rivers near the Tri-Cities was one of the most turbulent points...
Liz Butte Road follows a ridgeline in the Bitterroot Mountains along the Lolo Trail corridor, passing through...
The Willamette River valley was repeatedly flooded by Missoula Flood backwaters that surged up the valley...
Shotgun Creek Road traverses the forested ridgelines of the Bitterroot Mountains along the historic Lolo...
Cannon Beach lies south of the Columbia estuary along the Oregon coast, where Missoula Flood sediments were...
The Slough to Sea Trail near Fort Clatsop traverses the low-lying wetlands and tidal channels of the Columbia...
Cape Disappointment Light House stands on a rocky headland at the mouth of the Columbia River, where the...
Hammond Marina sits on the southern shore of the Columbia River estuary near its mouth, on terrain shaped by...
Celilo Park sits near the former location of Celilo Falls, a sacred Native American fishing site that was...
Castle Butte Road provides access to one of the higher points along the Lolo Trail corridor in the Bitterroot...
The Skipanon Waterway near Warrenton occupies a channel cut through Missoula Flood deposits at the margin of...
The Skipanon River near Warrenton, Oregon, meanders through lowlands built from Missoula Flood deposits at...
Youngs River near Astoria flows through lowlands built from sediment deposited by the Missoula Floods as they...
This Lolo Trail segment between Sherman Creek Road and Liz Butte Road crosses glacially modified terrain in...
Palouse Falls is the most iconic landmark of the Channeled Scablands, where the Palouse River plunges 198...
The Netul River Trail follows the Lewis and Clark River through wetlands near Fort Clatsop, passing through...
Dismal Nitch Rest Area on the Washington side of the Columbia marks where Lewis and Clark were pinned down by...
The Crooked Fork Detour follows a side route off the main Lolo Trail through terrain shaped by mountain...
The Lewis and Clark Interpretive Center at Cape Disappointment sits atop the headland where the Columbia...
St Mary's Church near Astoria sits on terrain shaped by the terminal deposits of the Missoula Floods. The...
Astoria Column Park sits atop Coxcomb Hill, offering a 360-degree panoramic view of the Columbia River...
Rocky Ridge Lake Road accesses a small glacial lake in the Bitterroot Mountains, a remnant of the Pleistocene...
Weitas Meadows sits high in the Bitterroot Mountains along the Lolo Trail, a remote alpine landscape shaped...
Sherman Creek Trail follows a small drainage through the Bitterroot Mountains, an area shaped by mountain...
Fivemile Access on the Clearwater River provides a launching point into a canyon shaped by glacial meltwater...
Cherrylane Public Access provides a river-level view of the Snake River canyon, where Missoula Flood...
Castle Butte sits high in the Bitterroot Mountains along the Lolo Trail, far above the valleys that were...
The End of the Trail statue in Seaside, Oregon, marks the westernmost point of the Lewis and Clark Expedition...
Chinook Landing Marine Park provides access to the Columbia River at the eastern edge of the Portland Basin,...
Lower Granite Dam access point sits within the Snake River canyon where Missoula Flood backwaters reached...
The Bonneville Dam overlook offers a view of one of the most critical constriction points in the entire...
The Lewis and Clark Salt Works in Seaside marks where the Corps of Discovery boiled seawater for salt in the...