GMU – Game management unit as defined by the Department of Wildlife. These are subdivisions of counties which are managed as separate and distinct hunting areas.
Oregon hunt interactive map can be found here – http://www.oregonhuntingmap.com/
This is an Example of a GMU map – the numbers Reference what the State will allow you to Hunt in during a cretin time frame as well as the amount of animals to be harvested in the GMU unit during hunting season.
This map is critical for hunters that want to go hunting on public lands and score that big buck or elk.