Fort Stevenson State Park Arboretum
The Fort Stevenson State Park Arboretum is an arboretum located near the campground at Fort Stevenson State Park on the north shore of Lake Sakakawea approximately 3 miles south of Garrison, North Dakota.
The arboretum contains over 50 native and non-native trees, shrubs, wildflowers and grasses, including Eleagnus angustifolia, Juniperus scopulorum, Salix exigua, and Ulmus pumila.