National Wildlife Refuge · Idaho · FWS Region 1

Deer Flat National Wildlife Refuge Hunting & Fishing Guide 2026–27

Located in Canyon County, Idaho, Deer Flat National Wildlife Refuge is managed by the U.S. Fish and Wildlife Service, with about 1,735 acres of land owned in fee by the U.S. Fish and Wildlife Service. Its lands extend into Oregon. For the 2026–2027 season the refuge has 6 mapped hunt units: 1 open under general rules, 4 open with special regulations, and 1 closed, covering about 3,064 huntable acres.

1 open unit4 with special regs1 closedPermit required
View hunt map Directions Official hunting page ↗
6hunt units
3.1Khuntable acres
1.7KFWS-owned acres
4game categories

Deer Flat NWR hunt unit map

Hunt units are colored by 2026–2027 status. Toggle layers for FWS-owned land, the approved refuge boundary and private easements. Use satellite imagery to scout marshes, timber edges and access points.

Loading interactive map…
OpenSpecial regulationsClosedFWS-owned landWPA (public)Refuge boundaryEasement (private) Tip: switch to Satellite or USGS Topo in the layer menu · click the map for GPS coordinates
Take it into the field: KML (Google Earth / onX) GPX waypoints GeoJSON

Hunting at Deer Flat NWR

Hunters can pursue big game, waterfowl, upland birds, and migratory birds here, subject to state seasons and refuge-specific rules. Fishing is available — freshwater fishing. A refuge permit is required for at least some activities, in addition to your state license.

Deer Flat National Wildlife Refuge provides a watery oasis for resident and migratory wildlife. Lake Lowell, an irrigation reservoir southwest of Boise, draws waterfowl and other birds.

Big GameWhite-tailed and mule deer, elk, pronghorn, moose, bear and other large mammalsWaterfowlDucks, geese, brant, swans (where legal) and cootsUpland BirdsPheasant, quail, grouse, prairie chicken and partridgeMigratory BirdsMourning dove, woodcock, snipe, rails, gallinules and sandhill crane

Categories are those listed by USFWS for this station; exact species, seasons and bag limits follow Idaho regulations plus refuge-specific rules.

Hunt units (6)

Acreage by status
Open: 487 (4%)Special regulations: 2,577 (22%)Closed: 8,599 (74%)3.1Khuntable acres
  • Open487 ac 4%
  • Special regulations2,577 ac 22%
  • Closed8,599 ac 74%
Units by size (acres)
Closed to hunting
8,599 ac
Lake Lowell South Rec
985 ac
Snake River Islands - ID
814 ac
Controlled deer hunt
556 ac
Lake Lowell East Rec
487 ac
Snake River Islands - OR
223 ac
UnitStatusAcresPermitDetails
Lake Lowell East Rec
Show on map · Directions		 Open 487 Required
Signed Brochure or Similar		 Deer hunting on Lake Lowell unit requires a signed Refuge permit
Controlled deer hunt
Show on map · Directions		 Special regs 556 Required
Signed Brochure or Similar		 Deer hunting on Lake Lowell unit requires a signed Refuge permit
Lake Lowell South Rec
Show on map · Directions		 Special regs 985 Required
Signed Brochure or Similar		 Deer hunting on Lake Lowell unit requires a signed Refuge permit
Snake River Islands - ID
Show on map · Directions		 Special regs 814 Required
Signed Brochure or Similar		 Deer hunting on Lake Lowell unit requires a signed Refuge permit
Snake River Islands - OR
Show on map · Directions		 Special regs 223 Required
Signed Brochure or Similar		 Deer hunting on Lake Lowell unit requires a signed Refuge permit
Closed to hunting
Show on map · Directions		 Closed 8,599 Required
Signed Brochure or Similar		 Deer hunting on Lake Lowell unit requires a signed Refuge permit

Deer Flat NWR by the numbers

With about 3,064 huntable acres, Deer Flat NWR ranks #5 of 7 refuges and stations with mapped hunting land in Idaho and #301 of 420 nationwide. Roughly 26% of the acreage inside its mapped hunt units is open to hunting in some form.

The largest huntable unit is Lake Lowell South Rec (985 acres, special regulations), while the smallest, Snake River Islands - OR, covers 223 acres. Every huntable unit requires a refuge permit.

1 unit totaling 8,599 acres is closed to hunting (Closed to hunting). Closed areas often serve as sanctuaries — learn their boundaries before you set up nearby.

Besides 1,735 acres of federally owned land, the station administers conservation easements on about 845 acres of private land. Easement land protects habitat but is not open to public hunting.

When to hunt Deer Flat NWR

Typical U.S. season windows for the game categories offered here. Idaho sets the exact dates, and refuges often open fewer days than the statewide season — use this to plan scouting, then confirm the 2026–2027 dates in the state regulations and the refuge hunt brochure.

Typical season windows — Big Game, Waterfowl, Upland Birds, Migratory Birds
AugSepOctNovDecJanFebMarAprMayJun
🦌 Big Game
Archery deerFirearm deer
🦆 Waterfowl
Early teal & gooseRegular duck & goose
🐦 Upland Birds
Pheasant, quail, grouse
🕊️ Migratory Birds
Dove (Sept. 1 opener)Woodcock & snipeLate dove split

Permits & licenses

Refuge permit

Required

Deer hunting on Lake Lowell unit requires a signed Refuge permit

Type: Signed Brochure or Similar

How to get it:

  • 📋 Other (see refuge)

You'll also need

  • A valid Idaho hunting license and any required tags or stamps — Idaho Department of Fish and Game
  • Federal Duck Stamp (waterfowl hunters 16+) and HIP certification for migratory birds
  • Non-toxic shot for waterfowl (federal requirement)
  • Hunter education certification where your state requires it
  • The current refuge hunt brochure / regulations (often must be signed and carried)

Fishing at Deer Flat NWR

  • 🐟 Freshwater fishing

Fishing season on the Lake Lowell Unit is year-round with seasonal access restrictions. Available species include largemouth bass, smallmouth bass, crappie, bluegill and catfish. Refuge islands on the Snake River Islands Unit are accessible only by boat.

State fishing licenses and regulations apply. Some waters close seasonally to protect wildlife.

How to get to Deer Flat NWR

Navigate

Destination: Deer Flat National Wildlife Refuge (FWS reference point)

Google Maps Apple Maps Waze
Decimal
43.55424, -116.67048
DMS
43°33′15.3″N 116°40′13.7″W

Download for GPS / onX / Google Earth:KMLGPX

Nearest towns

  • Nampa, ID5.6 mi W of town
  • Boise, ID24 mi W of town
  • Ontario, OR36 mi SE of town
  • Burns, OR119 mi E of town

Closest airports

  • BOI Boise Airport23 mi
  • TWF Magic Valley (Twin Falls)133 mi

Straight-line distances. Driving routes are longer; many refuge roads are gravel and may close seasonally.

The navigation point is the station reference location published by USFWS — often the headquarters or main entrance. For a specific hunt unit, open its page or click it on the map for coordinates and parking planning.

Sunrise, sunset & shooting hours

Today at Deer Flat NWR

Legal light*–
Sunrise–
Sunset–

*½ hour before sunrise — the standard federal shooting-hour start for migratory game birds. Times in Boise local time.

Full season calculator →

2026–2027 season sun table

DateShooting lightSunriseSunsetDaylight
Tue, Sep 1, 20266:39 AM7:09 AM8:24 PM13h 15m
Tue, Sep 15, 20266:54 AM7:24 AM7:59 PM12h 35m
Thu, Oct 1, 20267:12 AM7:42 AM7:29 PM11h 47m
Thu, Oct 15, 20267:29 AM7:59 AM7:05 PM11h 06m
Sun, Nov 1, 20266:51 AM7:21 AM5:39 PM10h 18m
Sun, Nov 15, 20267:09 AM7:39 AM5:23 PM9h 44m
Tue, Dec 1, 20267:29 AM7:59 AM5:12 PM9h 13m
Tue, Dec 15, 20267:42 AM8:12 AM5:10 PM8h 58m
Fri, Jan 1, 20277:49 AM8:19 AM5:19 PM8h 60m
Fri, Jan 15, 20277:46 AM8:16 AM5:33 PM9h 17m
Mon, Feb 1, 20277:33 AM8:03 AM5:55 PM9h 52m

Computed for 43.554, -116.670 (MDT / DST-aware). Check state rules — big game hours vary.

7-day hunting weather

Loading National Weather Service forecast…

Forecast from the National Weather Service. Wind direction matters — plan your approach downwind of where game beds.

Guides for hunting Deer Flat NWR

Deer Hunting on National Wildlife Refuges: Quota Hunts, Archery Units and Stand Rules

How refuge deer hunts work — lotteries and quota permits, archery-only and muzzleloader units, tree-stand rules…

Public-Land Duck Hunting on National Wildlife Refuges: Tactics That Work

How to find ducks, beat the crowds and set up on refuge marshes and WPAs — scouting, timing, small decoy spreads for…

Federal Duck Stamp Explained: Who Needs One, Where to Buy It and Where the Money Goes

Everything waterfowl hunters need to know about the Federal Duck Stamp — who must carry it, signing rules, the…

Nontoxic Shot Guide for Refuge and WPA Hunters

Why lead shot is banned for waterfowl, which nontoxic loads are approved, how steel, bismuth and tungsten compare, and…

Pheasant and Upland Bird Hunting on Waterfowl Production Areas

Why WPAs are some of the best walk-in pheasant ground in the Midwest, how to hunt them early and late in the season…

Dove Hunting on Wildlife Refuges: Managed Fields, Openers and Rules

How dove hunting works on National Wildlife Refuges — managed fields and draw days, HIP and plugged-gun rules…

Deer Flat NWR FAQ

Is hunting allowed at Deer Flat NWR?

Yes. Deer Flat National Wildlife Refuge offers hunting in 5 units (3,064 acres) during 2026–2027 for big game, waterfowl, upland birds, and migratory birds. Seasons follow state regulations plus refuge-specific rules in 50 CFR Part 32.

Do I need a permit to hunt Deer Flat NWR?

Yes — Deer Flat National Wildlife Refuge requires a refuge permit for some or all hunting. Permit type: Signed Brochure or Similar. Permits can be obtained other. You also need the appropriate state hunting license and, for waterfowl, a Federal Duck Stamp.

Can you fish at Deer Flat NWR?

Yes. Fishing is permitted (freshwater fishing). State fishing licenses and regulations apply along with refuge rules.

Where is Deer Flat NWR located?

Deer Flat National Wildlife Refuge is in Canyon County, Idaho, about 6 miles W of Nampa, ID (straight-line). GPS: 43.55424, -116.67048.

What are legal shooting hours at Deer Flat NWR?

Migratory game bird shooting hours are generally one-half hour before sunrise to sunset; big game and other seasons follow state rules. See the sunrise/sunset table on this page and confirm in the refuge hunt brochure.

Nearby refuges & public land

Malheur NWR

Harney County, OR · 128 mi W

2 open2 special4 closed
🦌🦆🐦🕊️🐇🎣

67.8K huntable acres

Hart Mountain National Antelope Refuge

Lake County, OR · 166 mi SW

1 open1 closed
🦌🦆🐦🕊️🎣

260K huntable acres

Mckay Creek NWR

Umatilla County, OR · 175 mi NW

1 special1 closed
🦌🦆🦃🐦🕊️🎣

620 huntable acres

Minidoka NWR

Blaine County, ID · 176 mi E

1 open5 special1 closed
🦌🦆🐦🕊️🐇🎣

5.5K huntable acres

Sheldon NWR

Humboldt County, NV · 177 mi SW

4 open2 closed
🦌🦆🐦🕊️🎣

536K huntable acres

Cold Springs NWR

Umatilla County, OR · 200 mi NW

2 open3 special
🦌🦆🐦🕊️🎣

3.1K huntable acres

All refuges in Idaho →

Data: USFWS National Hunt Units 2026–2027, Hunting & Fishing Opportunities, Realty Boundaries & Tracts. Page updated October 28, 2026.