game management unit · Washington Department of Fish and Wildlife

GMU 520 Winston

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 520 Winston

GMU 520 Winston is a game management unit in Washington, United States, set by Washington Department of Fish and Wildlife. It covers about 773 km² (298 mi²). No town of the HuntGrid list lies inside it; the nearest is Winlock, about 7.1 km from its edge.

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: 520
Area: 773 km²
Area (miles): 298 mi²
Boundaries: 2026

Public and protected land mapped inside it

HuntGrid's public land layers map about 115 km² of public or protected land inside it, 15% 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	84	11%
Forest Service Region 06 Pacific Northwest	22	3%
Tacoma, City of	6.1	under 1%
Washington Department of Fish & Wildlife	3.9	under 1%
Cowlitz County	1.1	under 1%
Cascade Land Conservancy	0.4	under 1%
Lewis County	0.3	under 1%
Bureau of Land Management	0.2	under 1%
Other or unnamed managers	0.1	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	antlered source
Black-tailed deer	Nov 19, 2026 to Nov 22, 2026	antlered source
Black-tailed deer	Nov 25, 2026 to Dec 15, 2026	archery 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 520 Winston

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 520 Winston (game management unit)?

About 773 km² (298 mi²), as HuntGrid maps Washington Department of Fish and Wildlife's boundary.

How much public or protected land is in GMU 520 Winston?

HuntGrid's public land layers map about 115 km² of public or protected land, 15% 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 520 Winston?

This page lists 5 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 520 Winston?

In the same unit system: GMU 503 Randle, GMU 505 Mossyrock, GMU 516 Packwood, GMU 524 Margaret, GMU 530 Ryderwood, GMU 550 Coweeman and GMU 556 Toutle.

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.