Idaho GMU 21A
Strategic hunting data, boundary maps, and 2026 season dates for Game Management Unit 21A.
Unit 21A Overview
Idaho Game Management Unit 21A (GMU 21A) is a premier hunting destination located in the Salmon Elk Zone. Home to Black Bear, Deer, Elk, Gray Wolf, Mountain Lion, White-tailed Deer, this unit features high-elevation rugged terrain, requiring physical preparation and optics for cross-canyon spotting. Unit 21A 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 21A typically begin in Oct 10.
There are 17 confirmed seasons in Unit 21A.
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We're currently digitizing 2023-2025 harvest reports and draw odds for Unit 21A. Check back shortly for deep-dive analytics.
Common Questions About Unit 21A
Where is Idaho GMU 21A?
Unit 21A is located in the Salmon Elk Zone. The landscape is predominantly rugged mountains, requiring appropriate gear and preparation.
Is Unit 21A 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 21A?
Yes. Cell service is often limited or non-existent in the core hunting areas of Unit 21A. Having saved offline maps is critical for safety and staying on legal ground.
Is Unit 21A mostly public land?
The unit is mostly private. Careful attention to property boundaries is required.
Other Units in the Salmon Zone
Spring Bear Controlled App
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Terrain Breakdown

Land Access
Pro Tip
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