Henry Hagg Lake

Lake · Oregon

About this swimming hole

A reservoir 25 miles southwest of Portland with numerous day-use areas and swim access along its shores. Shallow entry points make it family-friendly, though water shoes are smart because of fishing lures left behind.

Good to know

Water typeLake
Water temperature70-75 in summer
Best seasonJune-September
FeesWashington County day-use fee
Reservations requiredNo
Hoursdaylight hours
Parkingmultiple day-use lots
Amenitiesrestrooms, picnic areas, boat ramps
CountyWashington County
Nearest townForest Grove
Safety notesno lifeguard; wear water shoes; boat traffic

Map

Nearby swimming holes

Frequently asked questions

Does Henry Hagg Lake require reservations?

No reservations are required at Henry Hagg Lake based on current information — but verify before you go.

Is there a fee to visit Henry Hagg Lake?

Reported fee info: Washington County day-use fee. Fees can change — confirm with the official link.

When is the best time to visit Henry Hagg 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