Swartswood Lake
Lake · New Jersey
About this swimming hole
New Jersey's first state park centers on this 505-acre glacial lake with a guarded beach, bathhouse, and boat launches. The lake's size and clarity are outstanding for the state. It is Sussex County's flagship swim.
Good to know
| Water type | Lake |
|---|---|
| Best season | June-September |
| Fees | Free |
| Reservations required | No |
| Hours | 8am to 8pm |
| Parking | State park lot |
| Amenities | restrooms, lifeguards, picnic tables, boat launch, hiking trails |
| County | Sussex County |
| Nearest town | Stillwater |
| Safety notes | Lifeguards seasonal |
Map
Nearby swimming holes
Frequently asked questions
Does Swartswood Lake require reservations?
No reservations are required at Swartswood Lake based on current information — but verify before you go.
Is there a fee to visit Swartswood Lake?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Swartswood Lake?
The best season is typically June-September.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026