Directions to Rainbow
From Rapid City, take Exit 61 (Elk Vale Road). Go seventeen miles north. Turn right (east) at Lonetree Road.
From Sturgis: Go East on Hwy. 34, three miles out of Sturgis. Turn right on the Alkali Road. Go east until you come to Elk Vale Road (about sixteen miles). Turn right (south) on Elk Vale Road and go seven miles. Turn left (east) at Lonetree Road.