game management unit · Washington Department of Fish and Wildlife

GMU 666 Deschutes

Washington, United States

The map opens on this unit. Turn on Hunting units in Layers to see its boundary with public land, your pins and the forecast.

About GMU 666 Deschutes

GMU 666 Deschutes is a game management unit in Washington, United States, set by Washington Department of Fish and Wildlife. It covers about 954 km² (368 mi²). Towns inside it include Lacey, Olympia, Tumwater and Yelm.

HuntGrid draws its boundary from Washington Department of Fish and Wildlife's data for the 2026 season. The agency's regulations say which species and seasons use it.

Unit code: 666
Area: 954 km²
Area (miles): 368 mi²
Boundaries: 2026

Public and protected land mapped inside it

HuntGrid's public land layers map about 54 km² of public or protected land inside it, 6% of the unit. Some protected land is privately owned (a conservation group's, for one). By manager, as the source names it:

Manager	km²	Share
Unknown	20	2%
Billy Frank Jr. Nisqually National Wildlife Refuge	16	2%
BILLY FRANK JR. NISQUALLY NATIONAL WILDLIFE REFUGE	16	2%
Washington Department of Fish & Wildlife	7.6	under 1%
Thurston County	5.2	under 1%
City of Olympia	3.4	under 1%
Olympia, City of	1.8	under 1%
City Land	1.6	under 1%
Other or unnamed managers	6.7	under 1%

Boundaries are approximate and aren't legal descriptions. Public land doesn't always mean you can hunt there: check your local regulations and posted signs.

Public land: U.S. Geological Survey (USGS) Gap Analysis Project (GAP), 2025, Protected Areas Database of the United States (PAD-US) 4.1

Seasons and regulations

Seasons for this unit that a person has checked against Washington Department of Fish and Wildlife's regulations:

Species	Dates	Details
Cougar (mountain lion)	Sep 1, 2026 to Mar 31, 2027	source
Black-tailed deer	Oct 17, 2026 to Nov 1, 2026	antlered source
Elk (wapiti)	Nov 7, 2026 to Nov 18, 2026	source
Black-tailed deer	Nov 19, 2026 to Nov 22, 2026	antlered source
Black-tailed deer	Nov 25, 2026 to Dec 15, 2026	muzzleloader source
Black-tailed deer	Nov 25, 2026 to Dec 31, 2026	archery source
Elk (wapiti)	Nov 25, 2026 to Dec 15, 2026	archery source
Elk (wapiti)	Nov 25, 2026 to Dec 15, 2026	muzzleloader source

The official regulations have the final word: check them before you hunt.

Official regulations: Washington Department of Fish and Wildlife

Units around it

Next to it in the same unit system

Other hunting units that cover part of it

What HuntGrid shows for GMU 666 Deschutes

Its boundary on the map; tap inside it for the unit's card with the agency's regulations link.
Public land and the other hunting units in the same view, each with its source.
Season dates once a person has checked them, and legal shooting hours where the rule is checked.
Hourly wind with a scent cone for every stand, and official weather alerts.
Offline maps: download the area and use the map, your pins and the forecast with no signal.

Open in HuntGrid

Questions

How big is GMU 666 Deschutes (game management unit)?

About 954 km² (368 mi²), as HuntGrid maps Washington Department of Fish and Wildlife's boundary.

How much public or protected land is in GMU 666 Deschutes?

HuntGrid's public land layers map about 54 km² of public or protected land, 6% of the unit; the largest share is managed by Unknown. Public land doesn't always mean you can hunt there.

Where are the season dates for GMU 666 Deschutes?

This page lists 8 seasons a person has checked against Washington Department of Fish and Wildlife's regulations; the official regulations have the final word.

Which units are next to GMU 666 Deschutes?

In the same unit system: GMU 501 Lincoln, GMU 627 Kitsap, GMU 633 Mason, GMU 651 Satsop, GMU 652 Puyallup, GMU 663 Capitol Peak and GMU 667 Skookumchuck.

Sources

Unit boundary: Washington Department of Fish and Wildlife. Boundaries for the 2026 season.

HuntGrid isn't affiliated with Washington Department of Fish and Wildlife. The official regulations and maps have the final word.