Marys Peak Ecology and Ice Age Geology Tour

Take a tour of Marys' Peak and learn about it's natural history with Best Oregon Tours and Bob Lillie, the author of Oregon's Island in the Sky! Bob Lillie will provide guided interpretation of the geologic forces that created the coastal range, as well as glimpse into the conservation work sustaining sub-alpine meadows like the summit of Marys' Peak. There will also be an optional 1-2 mile hike with summit observations and landscape interpretation. 

Transportation, lunch, and bottled water will be provided. The tour departs from Corvallis at 9:00 a.m. and returns around 5:00 p.m. This is a small group tour, and only 12 spots are available. Email clem@bestoregontours.com to reserve your ticket. 


Siuslaw National Forest, Marys Peak, Corvallis, Oregon, by Gail Johnson
Starts: June 25, 2026

Times: 9:00 am

Admission: $135

Location: Marys Peak
Marys Peak, Philomath, OR 97370

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Keep Up With Corvallis
Discover Our Wine Passport
113 SW 3rd Street, Alley Suite 101
Corvallis, OR 97333
(Entrance facing 2nd St public parking lot)
800-334-8118 | 541-757-1544
Monday - Friday 9:00am - 5:00pm
Closed Saturdays and Sundays