Mason Dam Picnic Area

Area Status: Closed
RV parked below a large rock dam for a lake

The Mason Dam Picnic Area is located along the Powder River in a ponderosa pine forest below the Mason Dam. Popular activities for visitors include; group and family picnicking, fishing, and relaxing. Located nearby are the Mason Dam Viewpoint and the Mason Dam Boat Launch. Nearby hiking includes: Phillips Lake South Shoreline Trail and Phillips Lake North Shoreline Trail.

At a Glance

Reservations: This site is not reservable.
Area Amenities: Accessible, Picnic tables, Toilets, Parking
Fees: No fees are required for this site.
Open Season: Early May
Usage: Light
Restrictions: General rules of use and restrictions apply for this developed recreation site.
Closest Towns: Baker City, Oregon (17 miles)
Water: No
Restroom: Vault Toilet
Operated By: Forest Service
Information Center: Whitman Ranger District

General Information


From Baker City, Oregon travel south on Highway 7 towards John Day, Oregon for about 16 miles; After the Powder River Interpretive site look for Forest Road 1145 on the left side of the highway near the river; Turn left on Forest Road 1145 and travel 0.7 miles to the end of the road (you will pass the upper Powder River Interpretive site); The picnic area is across the bridge.

Recreation Map

Map showing recreational areas. Map Information


River and Stream Fishing


Group Picnicking


Picnic tables: 8 picnic sites
Parking: Circular parking area
Toilets: Accessible vault toilets
Accessible: Parking area and vault toilet

Related Information

Recreation Areas

Recreation Activities



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  Elevation : 
3920 feet