Lake Sakakawea State Park Trail is a standout hiking destination in Pick City, North Dakota, covering 4.5 miles with 120ft of elevation change. Stats: 4.5 miles, 120ft gain, Easy. Type: Loop. Surface: Dirt. Time: 2 hours. Fee: $7 park fee. Dogs: Yes. Permit: No. Wildlife: bald eagles, deer, herons, pelicans. Best seasons: Scenic trail at one of the largest reservoirs in North America. Pack water, layers, and appropriate footwear. Conditions vary across North Dakota. Leave No Trace: stay on trail, pack out all waste, respect wildlife.