Directions
45 miles south of I-90 and Hardin on State Highway 313. Located inside the recreation area on the North end of Big Horn Lake. The first left after passing Ft. Smith is the OK-A-BEH Road. It winds up on top of the Big Horns giving a spectacular view of the Big Horn River Valley, then drops into the canyon where you will find OK-A-BEH Marina and boat launch.45 miles south of I-90 and Hardin on State Highway 313. Located inside the recreation area on the North end of Big Horn Lake. The first left after passing Ft. Smith is the OK-A-BEH Road. It winds up on top of the Big Horns giving a spectacular view of the Big Horn River Valley, then drops into the canyon where you will find OK-A-BEH Marina and boat launch.