National wildlife refuge

Bill Williams River National Wildlife Refuge

Bill Williams River National Wildlife Refuge is a 6,100-acre national wildlife refuge in Mohave County, Arizona run by the U.S. Fish and Wildlife Service. There is no entrance fee. Hours: Lands, roads and trails 1/2 hour before sunrise to 1/2 hour after sunset; fishing piers 24 hours, every day of the year.

Check current closures and fire restrictions for Bill Williams River National Wildlife Refuge on the managing agency's own page.

Bill Williams River National Wildlife Refuge
Photo: Joe Decruyenaere, CC BY-SA 2.0

Bill Williams River National Wildlife Refuge map

Bill Williams River National Wildlife Refuge boundary from USGS PAD-US or the managing agency, simplified for display. Not for navigation or legal boundaries.

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Fire restrictions

No fire restriction recorded for this unit as of Sept. 30, 2026. Restrictions change with the season, so check the current orders below before you go.

Common questions

Yes. Hours at Bill Williams River National Wildlife Refuge: Lands, roads and trails 1/2 hour before sunrise to 1/2 hour after sunset; fishing piers 24 hours, every day of the year.
No. There is no entrance fee at Bill Williams River National Wildlife Refuge.
Yes. Fishing is allowed on Bill Williams River National Wildlife Refuge with a Nevada fishing license. Where, per the refuge: Three fishing docks near headquarters.
Yes. The refuge has an auto tour route.

Hours, fees, and visitor center

Hours at Bill Williams River National Wildlife Refuge: Lands, roads and trails 1/2 hour before sunrise to 1/2 hour after sunset; fishing piers 24 hours, every day of the year.

There is no entrance fee at Bill Williams River National Wildlife Refuge.

  • Bill Williams River National Wildlife Refuge Visitor CenterMon-Fri: 9 a.m. to 4 p.m.60911 Highway 95, Parker, AZ 85344-9528928-667-4144

What visitors do here: hiking, hunting, fishing, wildlife viewing, birding, photography, an auto tour route, boating, paddling, environmental education.

Sources: fws.gov/refuge/bill-williams-river/visit-us, checked 2026-09-29; fws.gov/refuge/bill-williams-river, checked 2026-09-28.

Auto tour route

  • Auto tour routeViews post-fire restoration on the Bill Williams River floodplain

Source: fws.gov/refuge/bill-williams-river/visit-us, checked 2026-09-29.

Wildlife

  • BirdWaterfowlWhen: winterOn Lake Havasu and from the Peninsula and Delta trails
  • MammalDesert bighorn sheepOn the river-canyon cliffs
  • InvertebrateThreatened and endangered species
  • Reptile or amphibianDesert tortoiseResident tortoise in the visitor-center enclosure

Source: fws.gov/refuge/bill-williams-river, checked 2026-09-28.

Fishing and boating

Fishing is allowed on Bill Williams River National Wildlife Refuge with a Nevada fishing license. Where, per the refuge: Three fishing docks near headquarters.

Source: fws.gov/refuge/bill-williams-river, checked 2026-09-28.

Trails

  • Peninsula Trail(1 mi round trip, easy)From the visitor center; first 0.25 miles paved and ADA, last 0.25 miles dirt
  • Delta Loop Trail(0.5 mi loop, moderate)Gravel spur off Peninsula Trail; overlooks the delta marsh

Source: fws.gov/refuge/bill-williams-river/visit-us, checked 2026-09-29.

Places on the refuge

  • PlacePupfish pondDesert pupfish viewing near the visitor center
  • Viewing areaDesert tortoise enclosureResident desert tortoise near the visitor center
  • Viewing areaFishing docksThree fishing piers; open 24 hours

Source: fws.gov/refuge/bill-williams-river/visit-us, checked 2026-09-29.

Public lands next to Bill Williams River National Wildlife Refuge

Measured between the units' boundaries as mapped in USGS PAD-US. Distances are straight line, not driving.