Lake trip · Sevier County, Utah
Where to stay at Koosharem Reservoir
Koosharem Reservoir covers - in Sevier County and carries a water-quality grade of D (Poor). Compare cabins, resorts, and vacation rentals below, then check the water before you book. Late spring through early fall, with June through August the peak season for swimming, boating, and fishing.
Places to stay near Koosharem Reservoir
Cabins, resorts, hotels, and vacation rentals near Koosharem Reservoir in Sevier County, Utah — live availability and prices. Add your dates to see totals.
Top-rated places to stay near Koosharem Reservoir
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Before you book: the water
Koosharem Reservoir grades D for water quality — Poor. Swimming not recommended, poor water quality with high algae risk. Water clarity is about 7.2 ft of visibility. Algae (chlorophyll-a) measures 58.4 µg/L.
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 Koosharem Reservoir →
About Koosharem Reservoir
Camping & RV near Koosharem Reservoir
Search public campgrounds and RV sites near Koosharem Reservoir on Recreation.gov, then compare cabins, resorts, and rentals on the map above.
Common questions
Frequently Asked Questions
Cabins, resorts, and vacation rentals around Koosharem Reservoir in Sevier County, Utah 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.
Koosharem Reservoir has a LakeQuality water-quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. 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.
Explore Koosharem Reservoir
Every graded lake in Utah, ranked A–F
Species activity outlook by water temperature and season
Where to stay at Utah's top lakes, each with its grade
High nutrients, frequent algae, reduced clarity
Utah's cleanest and most-polluted lakes, ranked
LakeQuality Lake Trip Planner (2026)
Free trip-planning guide for Koosharem 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 grades are independent of lodging listings. Always check current health-department advisories and managing-agency conditions before you travel.