Natural swimming hole
Mosquito Lake State Park
Lake · Ohio
About this swimming hole
Mosquito Lake State Park has a 600-foot swimming beach on 7,850-acre Mosquito Creek Lake, one of the largest lakes in Ohio. Boat rentals are available at the beach, and the park adds a dog park with lake access, disc golf, and miles of multi-use trails. The reservoir was built for flood control in 1944.
Good to know
| Water type | Lake |
|---|---|
| Water temperature | low 70s in summer |
| Depth | 7,850-acre reservoir |
| Best season | June-August |
| Fees | Free |
| Reservations required | No |
| Parking | state park lots; park office at 1439 State Route 305 |
| Amenities | swim beach, boat rentals, dog park, disc golf, trails, campground, marina |
| County | Trumbull County |
| Nearest town | Cortland |
| Safety notes | no lifeguard; unlimited-horsepower boat traffic |
Map
Nearby swimming holes
Frequently asked questions
Can you swim in Mosquito Lake State Park?
Yes — Mosquito Lake State Park is listed as a natural swimming spot in Ohio. Reported water temperature: low 70s in summer. Heads-up: no lifeguard; unlimited-horsepower boat traffic. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does Mosquito Lake State Park require reservations?
No reservations are required at Mosquito Lake State Park based on current information — but verify before you go.
Is there a fee to visit Mosquito Lake State Park?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Mosquito Lake State Park?
The best season is typically June-August.