The Idaho Fish and Game's motorized hunting rules apply to big game animals, including moose, bighorn sheep and mountain goats, in designated units from August 30 through December 31.
Between these dates and in the designated units, specific to all big game hunting, hunters may use motorized vehicles only on established roadways that are open to motorized traffic and capable of being traveled by full-sized automobiles.
Motorized hunting use restrictions apply to units 29, 30, 30A, 32, 32A, 36A, 37, 37A, , 45, 47, 49, 50, 51, 52, 52A, 53, 56, 58, 59, 59A, 66, 66A, 69, 70, 72, 73, 75, 76, 77 and 78.
The rule does not apply to upland game animals or birds in hunts within the designated units. For more information see the Fish and Game website at: http://fishandgame.idaho.gov/public/hunt/?getPage=152