Three Sisters Wilderness (Or.)
Found in 3 Collections and/or Records:
The Mazamas mountaineering and conservation club was established on July 19, 1894 on the summit of Mt. Hood; the group works to promote mountaineering and advocates for the protection and management of natural areas. The collection (1894-1916) contains photographs of hikes up the Three Sisters, correspondence, and printed Mazama material.
The Middle Sister register is a hand written roster of climbers who made an ascent of the "Middle Sister" peak in the Cascade Mountain range. The collection contains the register, dated from August 26, 1892 to June 22, 1930, which contains descriptions of ascents.