Deep Lake Trail is a compact 0.91 kilometer hiking trail located in Coulee City, Washington, at an elevation of 376.6 meters, featuring 82 scenic viewpoints along State Park Road. This trail is part of the Ice Age Floods National Geologic Trail system, offering hikers a unique opportunity to explore dramatic geological formations carved by ancient catastrophic floods. Perfect for families and geology enthusiasts, this short but scenic trail provides an accessible introduction to the region's remarkable Ice Age history.