Idaho GMU 66A
Strategic hunting data, boundary maps, and 2026 season dates for Game Management Unit 66A.
Unit 66A Overview
Idaho Game Management Unit 66A (GMU 66A) is a premier hunting destination located in the Diamond Creek Elk Zone. Home to Black Bear, Deer, Elk, Gray Wolf, Mountain Lion, this unit features open sagebrush steppe, where stalking prowess and early morning glassing are critical. Unit 66A is comprised largely of private land (100%), making map study and boundary awareness essential for avoiding trespass.
Application Strategy
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Unlock Full Analysis2026 Regular Schedule
Seasons in Unit 66A typically begin in Oct 10.
There are 11 confirmed seasons in Unit 66A.
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We're currently digitizing 2023-2025 harvest reports and draw odds for Unit 66A. Check back shortly for deep-dive analytics.
Common Questions About Unit 66A
Where is Idaho GMU 66A?
Unit 66A is located in the Diamond Creek Elk Zone. The landscape is predominantly high desert/basin, requiring appropriate gear and preparation.
Is Unit 66A beginner friendly?
This unit can be challenging for beginners due to mixed land ownership and complex boundaries. Always prioritize safety and planning.
Are offline maps useful in GMU 66A?
Yes. Cell service is often limited or non-existent in the core hunting areas of Unit 66A. Having saved offline maps is critical for safety and staying on legal ground.
Is Unit 66A mostly public land?
The unit is mostly private. Careful attention to property boundaries is required.
Other Units in the Diamond Creek Zone
Spring Bear Controlled App
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Terrain Breakdown

Land Access
Pro Tip
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