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!

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SOME PLACES TO GO and THINGS TO DO in MONTANA

Montana Natural History Center

Montana Natural History Center Ice Age Floods National Geologic Trail  The mission of the Montana Natural History Center is to promote and cultivate the appreciation, understanding, and stewardship of nature through education. Founded in 1991, MNHC was the brainchild of a group of educators who were involved in various efforts to educate both kids and adults about the natural history of western Montana, and who decided to unite those efforts into one environmental education organization. MNHC provides nature education programming for people of all ages through summer camps, kids’ activities, Visiting Naturalist in the Schools, Master Naturalist certification courses and Field Days, evening programs, Field Notes on Montana Public Radio, museum tours, and more.  We have a variety of exhibits that focus on the flora, fauna, geology, and ecology of our beautiful state. Please stop by and visit! MNHC often partners with the Ice Age Floods Institute to share fields trips and lectures about the Ice Age Floods.   MNHC has exhibits that help visitors explore the Glacial Lake Missoula and Ice Age Floods. Learn more at:Explore Glacial Lake Missoula | Montana Natural History Center (montananaturalist.org) The Glacial Lake Missoula Chapeter of the Ice Age Floods Institue also produced a short movie about Glacial Lake Missoula. You can find a link here. Quick Facts Location:120 Hickory Street, Suite A, Missoula, Montana

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The Paradise Center

The Paradise Center Ice Age Floods National Geologic Trail Paradise Center, formerly the Paradise Elementary School, is a community, visitors, and arts center in the old railroad community of the same name.  Just below the confluence of the muddy Clark Fork and beautiful blue Flathead Rivers, 70 miles northwest of Missoula, the area was repeatedly inundated by Glacial Lake Missoula, leaving many visible features in the area such as gulch fills, kolks, and lake bottom sediment bluffs. It is on the route between the Camas Prairie Ripples and Eddy Narrows.   Inside the school is a unique interactive 3-D topographical or relief map of the entire area covered by Glacial Lake Missoula and an extensive display of information about the Lake as well as other topics of interest to the area.  Outside on the grounds is a playground and an outdoor walking loop with a dozen or so displays of interest such as the former railroad roundhouse.  A model railroad set-up is also found inside the center. This area can easily be reached directly from the St. Regis exit from I-90 by following the Clark Fork River where flood waters turned sharply to the north, carving out the narrow valley along scenic route 135 to the junction with MT-200. Scour marks and displaced boulders are visible from the road, and it is especially lovely when the larch trees turn bright yellow in the fall. This route also takes you past the historic Quinn’s Hot Springs Resort.  ANNOUNCEMENT: The Paradise Center hours are seasonal, generally Wednesday thru Saturday, 11am-3pm in the summer. Check the website at paradisecentermt.org or call 406-826-0500 Quick Facts Location:2 School House Hill Road Paradise, MT 59856 MANAGED BY:The Paradise Center

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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

Green Monarch Ridge

Green Monarch Ridge Ice Age Floods National Geologic Trail THIS IS WHERE IT ALL BEGAN! The Green Monarch Ridge viewpoint, just south of the Hope Fault, is positioned along the edge of the Purcell Trench Ice Lobe. Here it was responsible for damming the mouth of the Clark Fork drainage basin. This damming effect resulted in the formation of Glacial Lake Missoula, the source of the waters for much of  the PNW Pleistocene Ice Age Floods. The Purcell Trench Ice Lobe originated in Canada and flowed south into Idaho, guided by the structural control of the Purcell Trench. Following the path of least resistance into the basin now occupied by Lake Pend Oreille, it was impeded by the Green Monarch Ridge, located approximately 10 miles south of this viewpoint. Grinding and scraping, the Purcell Trench Ice Lobe backed up behind the Green Monarch Ridge, eventually building an ice plug up to 4,000 feet thick, and scouring out the deepest parts of Lake Pend Oreille. The Purcell Trench Ice Lobe divided into four sub-lobes: one went approximately west (US Highway 2), two went south (US Highway 95 and Lake Pend Oreille) and one went east (SR 200). All four sub-lobes contributed to blocking the Clark Fork drainageQuick Facts MANAGED BY:US Forest Service – Idaho Panhandle National Forest

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Lake Pend Oreille

Lake Pend Oreille Ice Age Floods National Geologic Trail  The Purcell Lobe of the Cordilleran Ice Sheet repeatedly formed a 2000′ tall ice dam in this area, which backed up Glacial Lake Missoula and eventually burst catastrophically, releasing Ice Age Floods as often as about every ~10-60 years. Lake Pend Oreille is the largest lake in Idaho. The lake level is 2062 ft above sea level, with the surrounding terrain as high as 6002 ft. With a maximum depth of 1150 ft, this lake is the 5th deepest in the US. The location of the lake is probably related to an old river valley controlled by faults. The Lake Pend Oreille basin was carved by the repeated advances of Pleistocene ice and scoured by Ice Age Floods. With the waning of flood waters, the basin was filled with glacial out-wash and flood deposits. The lake is dammed at the south end by thick glacial and flood deposits that mark the beginning of the “Outburst Deposits”Quick Facts MANAGED BY:US Forest Service

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Celebration Park – Home of Melon Gravel

17,000 years ago, a massive Ice Age lake – now called Lake Bonneville – filled a large portion of present-day Utah. As temperatures changed, the influx of ice melt caused the lake level to rise. In addition, the Bear River, once a tributary of the Snake, was diverted by volcanic activity back into Lake Bonneville. These factors ultimately led to the breaching of a sedimentary rock dam at Red Rocks Pass, Idaho. There was only one ice-age Bonneville Flood because Lake Bonneville broke through a rock dam, unlike the Missoula Floods whose glacial ice dam repeatedly dammed Glacial Lake Missoula, then broke and rebuilt.  1,100 cubic miles of Lake Bonneville water rushed through the Snake River Canyon, and it took only six weeks for Lake Bonneville to empty the equivalent volume of modern-day Lake Michigan. The Great Salt Lake we know today is a remnant of Lake Bonneville, but at one tenth the size, it is a mere puddle compared to what the lake used to be.  The power of this catastrophic flood widened canyons as the force of the water pulled huge chunks of basalt off the cliffs and tumbled them around, smoothing their jagged edges along the way. As the canyon width narrowed, the force and velocity of the flood increased. Wherever the canyons widened, the flood lost force and velocity, the waters slowed and began dropping its bedload – in this case, giant tumbled basalt boulders instead of your typical river gravel.  These flood-rounded boulders, named melon gravel due to their distinct shape, are scattered over vast areas of land. The rocks’ unique outlines and smooth surfaces caught the eye of Native American tribes in the area, who have used them as canvases for petroglyphs for thousands of years. Visitors can see the medium sized flood deposits just outside the visitor center, or hike upriver to see gigantic melon gravel the size of heavy-duty trucks.  Celebration Park is located in the Snake River Canyon, approximately 23 miles south of Nampa, Idaho. It is home to an enormous melon gravel field deposited by the Bonneville Flood. 

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SOME PLACES TO GO and THINGS TO DO in WASHINGTON

Hiking Drumheller Channels

Hiking Drumheller Channels Ice Age Floods National Geologic Trail There are scads of hiking trails all through Drumheller Channels National Natural Landmark. On a cloudy day in early June we took off on a couple of exploratory hikes that were simply amazing. We first proceeded

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Palouse Falls State Park

Palouse Falls State Park, dedicated in 1951, is a 94-acre park showcasing the dramatic Palouse Falls and its unique geological history. The park is a popular destination for viewing the falls, which were formed by Ice Age floods and are a key part of the

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Columbia Gorge Interpretive Center

Columbia Gorge Interpretive Center Ice Age Floods National Geologic Trail, Lewis & Clark National Historic Trail “Time prints of the millennia are boldly etched on the walls of the Columbia Gorge. They record a 40-million-year-long story of change, endurance and majesty.” Located in the heart

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SOME PLACES TO GO and THINGS TO DO in OREGON

Columbia Gorge Discovery Center & Museum

Columbia Gorge Discovery Center & Museum Ice Age Floods National Geologic Trail, Lewis & Clark National Historic Trail, Oregon National Historic Trail The Columbia Gorge Discovery Center & Museum is located on a 54-acre point of land adjacent to the Columbia River and is the

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Hat Rock State Park

Hat Rock State Park Ice Age Floods National Geologic Trail, Lewis & Clark National Historic Trail Hat Rock is an erosion remnant warn way by floods from glaciers which melted over ten thousand years ago. Lewis and Clark saw this monument on their expedition and

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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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