Near West Glacier in Flathead County, Montana — The American West (Mountains)
A Glacial Lake
When the glacier receded more than ten thousand years ago, it revealed a changed landscape. The ice had quarried away huge amounts of rock. A terminal moraine dammed McDonald Creek, impounding Lake McDonald.
Glaciers are slow-moving rivers of ice. Like conveyor belts they transport large volumes of material. As rocks and dirt pile up along the edges of the melting ice, they form moraines. Material that builds up at the snout is called a terminal moraine; debris deposited along the sides forms lateral moraines. The ridge across the lake and the ridgeline behind you are covered by lateral moraines left by the glacier.
The lake fills a steep-sided glacial trough and is the deepest lake in the park at 472 feet (144 meters).
Erected by National Park Service.
Location. 48° 36.678′ N, 113° 52.91′ W. Marker is near West Glacier, Montana, in Flathead County. Marker is on Going-to-the-Sun Road half a mile west of Lake McDonald Lodge Driveway, on the right when traveling west. Click for map. Marker is located in Glacier National Park; a entry fee may be required. Marker is in this
Other nearby markers. At least 4 other markers are within 10 miles of this marker, measured as the crow flies. Time Machines (approx. 0.4 miles away); Wilderness Architecture (approx. 0.4 miles away); Historic Boats (approx. half a mile away); Horns (approx. 9.5 miles away).
Also see . . . Lake McDonald Valley. National Park Service website with information on Lake McDonald and facilities, services, and activities in the area. (Submitted on April 29, 2015.)
Categories. • Natural Features •
Credits. This page originally submitted on , by Duane Hall of Abilene, Texas. This page has been viewed 197 times since then and 14 times this year. Photos: 1, 2, 3. submitted on , by Duane Hall of Abilene, Texas. This page was last revised on June 16, 2016.
Editor’s want-list for this marker. Photo of wide-view of marker and surrounding area. • Can you help?