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A cloud bank lit orange over Slim Lake at sunset, reflected across the width of the water

Lake trip · Sweetwater County, Wyoming

Where to stay at Big Sandy Reservoir

Big Sandy Reservoir covers 2,510 acres in Sweetwater County, with water clarity of about 0.7 ft. Compare cabins, resorts, and vacation rentals below. The water-quality readings cover nutrients and algae; they are not a stay-or-skip rating. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

Places to stay near Big Sandy Reservoir

Cabins, resorts, hotels, and vacation rentals near Big Sandy Reservoir in Sweetwater County, Wyoming — live availability and prices. Add your dates to see totals.

Top-rated places to stay near Big Sandy Reservoir

Prices for Oct 16–18, 4 adults. Change dates on the map below.

Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.

About the water

Big Sandy Reservoir has limited nutrient and algae sampling on record. Water clarity is about 0.7 ft of visibility. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim. The readings are not a reason to skip cabins and rentals around the lake.

See the full Big Sandy Reservoir water-quality report →

Best time to visit

Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

Check the National Weather Service forecast for Big Sandy Reservoir →

About Big Sandy Reservoir

Surface area
2,510 acres
Max depth
-
Public boat launches
1
Public beaches
—

Camping & RV near Big Sandy Reservoir

Search public campgrounds and RV sites near Big Sandy Reservoir on Recreation.gov, then compare cabins, resorts, and rentals on the map above.

Find campgrounds & RV sites on Recreation.gov →

Common questions

Frequently Asked Questions

Cabins, resorts, and vacation rentals around Big Sandy Reservoir in Sweetwater County, Wyoming are on the map above with live availability and nightly prices. Waterfront rentals put you on the dock; lodging in the nearest town is usually cheaper with more choice.

Big Sandy Reservoir has limited nutrient and algae sampling on record. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.

Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

Guide

LakeQuality Lake Trip Planner (2026)

Free trip-planning guide for Big Sandy Reservoir: how to pick a clean lake, the water-quality signals that matter, best swimming and fishing windows, and where to stay.

Lodging availability and prices are provided by Stay22 and its booking partners (Booking.com, Vrbo, Expedia); LakeQuality may earn a commission from bookings at no extra cost to you. Water-quality readings are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.

Where to stay near Big Sandy Reservoir →