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

Lake trip · Sublette County, Wyoming

B

Where to stay at Half Moon Lake

Half Moon Lake covers - in Sublette County and carries a water-quality grade of B (Good). Compare cabins, resorts, and vacation rentals below. The grade measures nutrients and algae — it is not a stay-or-skip rating. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.

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Places to stay near Half Moon Lake

Cabins, resorts, hotels, and vacation rentals near Half Moon Lake in Sublette County, Wyoming — live availability and prices. Add your dates to see totals.

Top-rated places to stay near Half Moon Lake

Prices for Sep 11–13, 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

Half Moon Lake grades B for nutrients and algae — Good. Good for swimming, clear water with low algae levels. Water clarity is about 22.2 ft of visibility. The letter is not a reason to skip cabins and rentals around the lake.

See the full Half Moon Lake 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 Half Moon Lake

About Half Moon Lake

Surface area
-
Max depth
-
Public boat launches
Public beaches

Camping & RV near Half Moon Lake

Search public campgrounds and RV sites near Half Moon Lake 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 Half Moon Lake in Sublette 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.

Half Moon Lake has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Always check local health-department advisories before swimming.

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 Half Moon Lake: 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 grades are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.