Home » Destinations » Ashton, ID Pickup/Drop Off Location: Valley Wide Exxon Mobil 921 North Highway 20 , Ashton, ID 83420 (208) 538-9088 Boarding Instructions: Load Near Front Door. Book Now Valley Wide Exxon Mobil 921 North Highway 20 , Ashton, ID 83420 Need help booking your trip? We would love to help! (208) 656-8824