Early Rock Climbing Section (RCS) Timeline
1934 - First Southern California RCS trip (Eagle Rock) led November 3 by Howard Koster.
1935 - First use of Stoney Point in Chatsworth as a practice climbing area.
1935-36 - First routes at Tahquitz (Lily) Rock, which immediately became the premier Southern California climbing area and remains so today.
1937 - First ascent of the East Buttress of Mt Whitney, a Sierra classic, by an RCS group led by Glen Dawson.