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Owyhee Elk Zone
Idaho GMU 40
Strategic hunting data, boundary maps, and 2026 season dates for Game Management Unit 40.
Updated for 2026 Season
TerrainHigh Desert/Canyon
OwnershipLand breakdown unavailable
Access DifficultySee IDFG
Key SpeciesPronghorn
Season TypeControlled Only
ZoneOwyhee
Unit 40 Overview
Idaho Game Management Unit 40 (GMU 40) is a premier hunting destination located in the Owyhee Elk Zone. Home to Pronghorn, this unit features open sagebrush steppe, where stalking prowess and early morning glassing are critical. Public-land breakdown for Unit 40 is not yet integrated into our database — verify acreage with Idaho Fish and Game's Hunt Planner before scouting.
Application Strategy
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Tactics
2026 Regular Schedule
Seasons in Unit 40 typically begin in Sep 25.
There are 3 confirmed seasons in Unit 40.
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Unit 40 Boundary
That portion of OWYHEE COUNTY within the following boundary: beginning on the Snake River at the Idaho-Oregon State line, upstream to Grand View, then southeast on State Highway 78 to Mud Flat Road, then southwest on Mud Flat-Juniper Mountain Road to the North Fork of the Owyhee River, then downstream to the Idaho-Oregon state line, then north along the state line to the point of beginning.
Owyhee Zone Context
Southwest Idaho — Owyhee Canyonlands
Owyhee is high-desert hunting at scale — over a million acres of BLM canyon-and-rim country. Elk presence is limited and migration-driven; the zone is more associated with mule deer, antelope, and chukar.
Water sources are the strategic key. Marsing, Jordan Valley (Oregon), and Bruneau are the only meaningful resupply points.
See all units in the Owyhee ZoneCommon Questions About Unit 40
Where is Idaho GMU 40?
Unit 40 sits in the Owyhee Elk Zone. The landscape is predominantly high desert/canyon, requiring appropriate gear and preparation.
What species can I hunt in Unit 40?
Unit 40 has open seasons for multiple big-game species. Confirm season dates and weapon legality with Idaho Fish and Game before applying or buying tags.
Are offline maps useful in GMU 40?
Yes. Cell service is often limited or non-existent in the core hunting areas of Unit 40. Having saved offline maps is critical for safety and staying on legal ground.
Is Unit 40 mostly public land?
Unit 40 is approximately 75.5% public (mostly public). That gives DIY hunters meaningful range for scouting and stalking without trespass risk.
Land Ownership Breakdown
BLM65.54%
Private24.05%
State9.9%
Other0.07%
Source: IDFG Hunt Planner · Inside Idaho.
Other Units in the Owyhee Zone
Season and regulatory information sourced from Idaho Fish and Game proclamations. Land ownership data compiled from public records. Maps generated by Roam Idaho.
Terrain Breakdown
Key Insight
Predominantly High Desert/Canyon
Prepare for steep elevation and spot-and-stalk tactics.
See terrain map
Land Access
Access Intel
Mostly Public
Great for DIY roaming.
Land Ownership Map
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Pro Tip
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