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Dee Wright Observatory

Take a trip along the southern section of the McKenzie Pass-Santiam Pass National Scenic Byway to the summit of the McKenzie Highway (242) and you will find the unusual and historic Dee Wright Observatory settled atop vast, black lava flows.

Located in the Cascade Range at 5,187 feet, this mountain observatory offers panoramic views across 65 square miles of black lava rock that looks so much like a moonscape that in 1964, NASA conducted drills with astronauts as they prepared to travel to the moon. Completed in 1935 by the Civilian Conservation Corps (CCC), the observatory was named in memory of Dee Wright, the crew’s foreman who passed away the year before.

On a clear day, you can view Mt. Washington, Mt. Jefferson, the South, North, and Middle Sister, and even see Mt. Hood, 78.5 miles to the north. If the snow has melted, don’t forget to look for the glaciers! Collier glacier on the North Sister is the largest glacier in Oregon.

As you make your way up to the observatory, you will find interpretive panels with accounts of early travelers and area geology. Continue up the stairs to the roof and you will discover a bronze peak finder with the names and elevations of the surrounding buttes and mountain peaks. Inside the observatory, openings frame the surrounding mountain peaks.

The accessible Lava River National Recreation Trail located next to the observatory provides remarkable views of lava that flowed from the surrounding craters.

Current Conditions
For current conditions, please contact the local ranger station. Access is dependent on McKenzie Highway (OR Hwy 242), which is closed in the winter.

General Information

Access is dependent on McKenzie Highway (OR Hwy 242), which is closed in the winter. Check tripcheck.com for conditions. 

No fees are required for this site

Within developed recreation sites, dogs must be on a leash no longer than 6 feet, or otherwise under physical restrictive control. 36 CFR 261.16(j)

A wood building in front of trees

Address: 57600 McKenzie Highway McKenzie Bridge, OR 97413
Phone: (541) 822-3381
Hours: Monday-Friday, 10:00 a.m. - 4:30 p.m. (Closed on federal holidays)
Office Email: sm.fs.mf@usda.gov

Getting There

Latitude / Longitude

Latitude: 44.26111111

Longitude: -122.8013889

Directions

From McKenzie Bridge, OR travel east on Highway 126 for about 5 miles; turn right on Highway 242. Continue on Highway 242 for 22 miles to the Dee Wright Observatory at the top of the McKenzie Pass.

From Sisters, OR travel west on Highway 242 for 15 miles to the Dee Wright Observatory.

Travel Considerations

Highway 242 is seasonally closed in the winter. Vehicles over 35 feet are not allowed. 

Facility and Amenity Information

Restrooms

Vault toilet(s)

Water

Potable water is not available at this site.

Picnic Tables

Picnic tables are not available at this site.

Horse/Pack Animal Information

Horse/Pack animals are not allowed at this site.

Nearby Trails

Recreation Opportunities

Last updated April 9, 2026