In Wyoming, head north off I-80 on Highway 189 at Evanston and Highway 191 at Rock Springs or west off I-25 at Casper on Highway 26. From Idaho, take Highway 26 off I-15 at Idaho Falls. From Montana take Highway 89 south off I-90 at Livingston or at Highway 212 to Highway 89 at Laurel.

For further directions go to:
www.mapquest.com