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Planning guide for Game Management Unit 37A, with sourced terrain, public-land percentages, published schedules, and links to the connected Pro map.

Pro includes the interactive GMU map, BLM surface-management context, terrain tools, and current wildfire overlays for Unit 37A.
See Pro pricingIdaho Game Management Unit 37A (GMU 37A) is a premier hunting destination located in the Lemhi 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. Public-land breakdown for Unit 37A is not yet integrated into our database — verify acreage with Idaho Fish and Game's Hunt Planner before scouting.
Official Regulation Feed
Success in Unit 37A requires understanding the mountain/foothill terrain and public land boundaries. Use Roam Idaho for connected trip planning, then carry an official offline map before leaving service.
Those portions of CUSTER and LEMHI COUNTIES within the Salmon and Pahsimeroi River drainages east of the Salmon River upstream from, but excluding, the Poison Creek drainage and north and east of the Ellis-May-Howe Highway.
The Lemhi zone covers the high, dry country between the Lemhi and Lost River Ranges, with broad valleys and steep mountain flanks. Elk populations are healthy and visibility is good — a glass-and-stalk zone more than a brush-busting zone.
Salmon is the closest supply town. Many roads cross BLM-private mosaic; check ownership before scouting.
See all units in the Lemhi ZoneAlways verify regulations with official government entities before heading into the backcountry.
Season dates and tag rules sourced from Idaho Fish and Game proclamations. Original IDFG entry for Unit 37A: view source.