Portland’s mountaineering institution since 1894 — roughly 1,000 member-led hikes and climbs a year, deep climbing-education programs, and the Mazama Mountaineering Center in SE Portland.
Year-round, member-led — hundreds of hikes a year on the calendar
📍 Rotating trailheads around NW Oregon
Guests welcome on scheduled hikes; rated by distance and difficulty.
Seasonal courses and ~1,000 member climbs a year — see schedule
📍 Mazama Mountaineering Center, SE Portland
Basic Climbing Education Program plus rock, alpine, and ice offerings.