GO PLACES! DO THINGS!

Along the ICE AGE FLOODS
NATIONAL GEOLOGIC TRAIL


The Ice Age Floods National Geologic Trail covers some 16,000 square miles (41,440 km2) in present day Montana, Idaho, Washington, and Oregon. We have hand picked some of the best of the best places along the Trail and present them here for you enjoy and explore! Check back often, we will be adding new and wonderful destinations for your entire Family to enjoy!

MONTANA – IDAHO – WASHINGTON – OREGON

SOME PLACES TO GO and THINGS TO DO in MONTANA

Travelers’ Rest State Park

Travelers’ Rest State Park Ice Age Floods National Geologic Trail Located at an historic and contemporary crossroads, Travelers’ Rest State Park and National Historic Landmark is a place where visitors can say with certainty that they are walking in the footsteps of Lewis and Clark. The Park is at the core of a campsite used by the Corps of Discovery from September 9 – 11, 1805 and again from June 30 – July 3, 1806. In the summer of 2002, archaeologists uncovered evidence of the Corps of Discovery’s visit to the area, including a trench latrine tainted with mercury, fire hearths, and lead used in the repair and manufacture of firearms. The discovery makes Travelers’ Rest the only campsite on the Lewis and Clark Trail with physical evidence of the expedition. For centuries Native Americans also used the area as a campsite and trail junction. Salish, Pend d’Oreille and Nez Perce peoples were among those who traditionally occupied the area. Native American storytellers bring their history, culture and society to life as part of the programming at Travelers’ Rest State Park. The Bitterroot River is the primary body of water in this area, now running about 500 feet below the surface of what was once Glacial Lake Missoula, which extended all the way to the area now indicated by a high water marker at Lake Como.  There are few vestiges of the Lake in this area but information and a display are located at the Visitor Center. Travelers’ Rest is an idyllic spot for strolling the park’s trails, and offers a rich bird habitat, with more than 115 species recorded within the park boundaries. Quick Facts Location:Located 1/2 mile west of Lolo on Hwy 12 Significance:Located at the crossroads of culture, this is the only archaeologicaly verified campsite of the Lewis and Clark Expedition, as well as the traditional homeland of the Selis Qlispe people. Designation:National Historic Landmark 

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Erratic in the Bitterroot

An 8 ton erratic left behind by Glacial Lake Missoula in the Bitterroot Valley on the property of a local rancher was relocated to serve as the focal point of an outdoor kiosk exhibit at the Ravalli County Museum at the former County Courthouse, 205 Bedford Street in Hamilton.  Unlike their counterparts at other location along the National Geologic Trail, erratics in this part of the Ice Age Floods did not come from Canada nor did they travel as far, but the action of the floodwaters and iceberg rafts is equally evident despite more shallow waters. There are similar erratics found elsewhere in Bitterroot, on the campus of the University of Montana, and at the Bison Range. The outdoor display tells the same story as other locations on the Ice Age Floods National Geologic Trail but also includes information on two other National Park Service trails that pass through this area – the Nez Perce and the Lewis and Clark National Historic Trails.  The museum has other indoor exhibits of historical interest and about Glacial Lake Missoula.    

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Bison Range

Bison Range The Bison Range was established by President Theodore Roosevelt in 1908 to conserve the American Bison.  Since that time it has been managed as a wildlife refuge and native grassland. Today the management is done by the Confederated Salish and Kootenai Tribes. The range is a small, low-rolling mountain connected to the Mission Mountain Range by a gradually descending spur. Range elevation varies from 2,585 feet (788 m) at headquarters to 4,885 feet (1,489 m) at High Point on Red Sleep Mountain, the highest point on the Range.  Much of the Bison Range was once under prehistoric Glacial Lake Missoula. The upper part of the Range was above water. Red Sleep Mountain scenic drive leads to this high point, which has spectacular views across what was once the lake to the Mission Mountains on the other side.  Other flood features are evident on Buffalo Prairie scenic drive. Old beach lines (strandlines) can be seen on north-facing slopes and some large erratics are located near the old corrals. There is a visitor center near the entrance which has a display and videos of Glacial Lake Missoula as well as information on the tribes of the Flathead Reservation and the abundant wildlife, including birds, bears and antelope.  There is also a gift shop.  Camas Prairie ripples and several other important features of Glacial Lake Missoula are in close proximity to this site, much of them are located on tribal lands.  The entrance is off US 93 and MT 212 N about an hour north of Missoula. Bison Range58355 Bison Range Rd, Moiese, MT (406) 644-2661 bisonrange.org FEES – there is a fee for entrance, including the day use area, except for CSKT tribal members OPEN HOURSWinter Hours (Nov-April)Gate: 8am–6pmVisitors Center: 8am–5pm Red Sleep Drive: closed Buffalo Prairie Drive: 8am-6pm Summer Hours (May-Oct)Gate: 7am–8pmVisitors Center: 8am–7pm Red Sleep Drive: 8am–7pm Buffalo Prairie Drive:8am–8pm  Restrictions: Vehicles over 30 feet long and those owing trailers as well as motorcycles, ATVs, and bicycles are not allowed on either drive.  Visitors must remain inside vehicles at all times except for designated areas      

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SOME PLACES TO GO and THINGS TO DO in IDAHO

Glacial Dam at Green Monarch Ridge View Point

Glacial Lobe Dam at Green Monarch Ridge View Point Ice Age Floods National Geologic Trail  As the Purcell Trench ice lobe of the Cordilleran Ice Sheet advanced south from Canada, it was stopped by the Green Monarch Ridge, building an ice dam 4,000 feet (1219 m) tall and nearly 40 miles (64 km) wide that blocked the Clark Fork river, thus filling glacial Lake Missoula. View the Green Monarch Ridge and the Purcell Trench from a large pullout on Idaho State Route 200, about one mile (1.6 km) west of Hope, Idaho and 15 miles (24 km) east of Sandpoint, Idaho. Quick Facts Location: Idaho State Route 200, about one mile west of Hope, Idaho and 15 miles  east of Sandpoint, Idaho.

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Clark Fork Ice Dam

Ice Age Floods National Geologic Trail 12,000 to 17,000 years ago a 4000′ tall ice dam blocked the path of the Clark Fork River creating glacial Lake Missoula. At the end of the last ice age this ice dam failed, releasing more water than is held in modern day Lake Ontario and Lake Erie combined. 600 cubic miles of water rushed through this area and down Lake Pend Oreille destined for the Pacific Ocrean.One of the most intriguing questions about the catastrophic flooding is how the ice dam failed. Various mechanisms for glacial outburst floods have been proposed: Ice erosion by overflow water, subglacial failure by flotation, deformation of ice by water pressure, and erosion of subglacial tunnels by flowing water. One model suggests a self-dumping phenomenon. In this mechanism, floodwaters are released when the lake level reaches nine-tenths the height of the ice. At this depth the ice becomes buoyant, subglacial tunnels form and enlarge, and drainage occurs until hydrostatic pressure is decreased and the ice again seals the lake. The self-emptying model is used to explain the numerous cycles in the rhythmite deposits and to interpret each cycle as a separate flood. Even so, only the total collapse of the ice dam can explain the largest of the catastrophic foods. Sub-glacial tunneling and enlargement due to thermal erosion progressing to collapse have also been proposed, as well as catastrophic failure due to water pressure. All are dependent on the configuration of the ice dam and structure of the ice. Quick Facts Location:Clark Fork, Idaho

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SOME PLACES TO GO and THINGS TO DO in WASHINGTON

Ephrata Erratic Fan

EPHRATA ERRATICS FAN Ice Age Floods National Geologic Trail The Ephrata Erratics Fan is a depositional area south of where water from the Missoula floods poured out of the lower Grand Coulee.  It is called a fan because the deposit is spread out like a

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The Bowl & Pitcher at Riverside State Park

The Bowl and Pitcher is a rock formation along the Spokane River and one of the most scenic sites in the area, with basalt cliffs rising 500 feet above the river and large blocks of basalt in the river causing large rapids. The “Bowl” is

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Scooteney Reservoir

Scooteney Reservoir Ice Age Floods National Geologic Trail Situated about nine miles southeast of Othello, west of Highway SR-17, this body of water has a year-round open fishing season. Smallmouth Bass, Largemouth Bass, Walleye, Bluegill sunfish, crappie, and Yellow Perch produce good action throughout the

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SOME PLACES TO GO and THINGS TO DO in OREGON

Tualatin Ice Age Walking Trail

Tualatin Ice Age Walking Trail Ice Age Floods National Geologic Trail The Tualatin Ice Age Trail is a self-guided tour of sites representing the ancient history of our area. Along the trail, you’ll discover evidence of centuries-old ice, rock and bone, including the sites where a mastodon

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Multnomah Falls and Lodge

Multnomah Falls and Lodge Ice Age Floods National Geologic Trail, Lewis & Clark National Historic Trail Oregon’s tallest waterfall (620 ft.) is just 30 minutes east of Portland and 30 minutes west of Hood River. Offering scenic splendor and a gateway to the Gorge’s Waterfall Corridor,

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MONTANA – IDAHO – WASHINGTON – OREGON

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