Green River Gorge swimming hole
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
A hike-in Green River gorge swimming hole with emerald water squeezed between sandstone walls near Black Diamond. The walk in filters out the casual crowds, leaving a wilder river-swim experience than the metro parks.
Good to know
| Water type | River |
|---|---|
| Water temperature | 55-60 in summer |
| Depth | deep gorge pool |
| Best season | July-September |
| Fees | Free; trailhead may require Discover Pass |
| Reservations required | No |
| Hours | daylight hours |
| Parking | trailhead pullouts; hike required |
| County | King County |
| Nearest town | Black Diamond |
| Safety notes | no lifeguard; remote gorge; slippery walls; cold water |
Map
Nearby swimming holes
Frequently asked questions
Does Green River Gorge swimming hole require reservations?
No reservations are required at Green River Gorge swimming hole based on current information — but verify before you go.
Is there a fee to visit Green River Gorge swimming hole?
Reported fee info: Free; trailhead may require Discover Pass. Fees can change — confirm with the official link.
When is the best time to visit Green River Gorge swimming hole?
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