Rainbow Falls SP (Chehalis 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
Rainbow Falls State Park sits on the Chehalis River with swimming and wading in the river pools. The park's old-growth forest and the falls viewpoint add to the visit. It is Lewis County's hometown river park.
Good to know
| Water type | River |
|---|---|
| Water temperature | 60s in summer |
| Depth | river pools below the falls |
| Best season | July-September |
| Fees | $10 day use (Discover Pass) |
| Reservations required | No |
| Hours | 8am-dusk |
| Parking | park lots |
| Amenities | restrooms, picnic tables |
| County | Lewis County |
| Nearest town | Chehalis |
| Safety notes | no lifeguard; river current varies |
Map
Nearby swimming holes
Frequently asked questions
Does Rainbow Falls SP (Chehalis River) require reservations?
No reservations are required at Rainbow Falls SP (Chehalis River) based on current information — but verify before you go.
Is there a fee to visit Rainbow Falls SP (Chehalis River)?
Reported fee info: $10 day use (Discover Pass). Fees can change — confirm with the official link.
When is the best time to visit Rainbow Falls SP (Chehalis 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