• The calm, inviting waters of the Spokane Arm. Photo Credit: NPS\LARO\John Salisbury

    Lake Roosevelt

    National Recreation Area Washington

Landforms In the Sand: The Geology of Lake Roosevelt

Spring lake levels

M. Shoemaker/NPS

Exposed lakebed near Hunters

Program Overview:
Discover the powerful effects of water and the amazing geologic forces that shaped the landscape in the Lake Roosevelt area. Explore the Ice Age Floods in a model your students create in the sand. This program features students creating a landscape complete with a flowing river and discovering what the force of water can do to a landscape as it gets flooded.

Grade: 3rd-12th
Chaperone Ratio:
 1:10
Group Size:
 Minimum: 10, Maximum: 60
Program Length:
 1 hour
Program Time:
 Variable
Program Dates:
 September-October, late April-early June
Locations: Spring Canyon, Keller Ferry, Porcupine Bay, Hunters

Use the reservation form to arrange a program or contact our education specialist for more information.

Did You Know?

fire fighter looking at a stand of ponderosas that have become a wildfire danger

Fire is a natural part of Lake Roosevelt's dry forest and desert environment. Park fire fighters, to protect nearby landowners, manage the forest by extinguishing any wildfire, as well as thin, pile up, and burn excess vegetation in winter. Prescribed fires may be lit to burn what is left.