- 5.3.54
- 1896-2022
The Mazama Bulletin is published by Mazamas, a non-profit mountaineering organization that was founded in 1894 and is headquartered in Portland, Oregon. The Mazama Bulletin is published bi-monthly, and, in the past, has had a monthly and yearly edition as well. The bulletin publishes articles about hikes, classes, and climbs put on by Mazamas, issues surrounding conservation, responsible recreation, and outdoor education.