Flaming Geyser SP (Green River)
River · Washington
ℹ️ Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.
About this swimming hole
Flaming Geyser State Park is named for its methane flame seep, but swimmers come for the Green River and Christy Creek pools. The park's riverside setting near Black Diamond is convenient. It is a quirky, beloved South King County park.
Good to know
| Water type | River |
|---|---|
| Water temperature | 60s in summer |
| Depth | river and creek pools |
| Best season | July-September |
| Fees | $10 day use (Discover Pass) |
| Reservations required | No |
| Hours | 8am-dusk |
| Parking | park lots |
| Amenities | restrooms, picnic tables |
| County | King County |
| Nearest town | Black Diamond |
| Safety notes | no lifeguard; river current varies |
Map
Nearby swimming holes
Frequently asked questions
Does Flaming Geyser SP (Green River) require reservations?
No reservations are required at Flaming Geyser SP (Green River) based on current information — but verify before you go.
Is there a fee to visit Flaming Geyser SP (Green River)?
Reported fee info: $10 day use (Discover Pass). Fees can change — confirm with the official link.
When is the best time to visit Flaming Geyser SP (Green River)?
The best season is typically July-September.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026