Posted by (+4947) 12 years ago
which is the best route to take from Billings to Boise this time of year...Thanks...
Try 287 from Three Forks south to Ennis and towards West Yellowstone. But take state highway 87 (Henry's Lake Cutoff?). That was the only place I had problems in the wintertime driving on that route. Then continue south on W US 20 to Idaho Falls.