| Arnot Peak, Boulder Mountain, Disaster Peak, Whitecliff Peak | 30-Aug-91 (SPS Introductory Trip) | Gordon MacLeod, Neko Colevins |
| Pyramid Peak #2, Mokelumne Peak, Highland Peak, Disaster Peak | 23-Aug-97 | Patty Kline, Bob Michael |
| Leavitt Peak, Stanislaus Peak, Black Hawk Mountain, Disaster Peak, Highland Peak, Round Top, Freel Peak, Pyramid Peak, Mokelumne Peak | 9-Sep-00 | Igor Mamedalin |
| Disaster Peak | 11-Sep-05 | Darrick Danta |
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