"Island Rock" SourceElevation : 6,470'County : BoulderQuad : BoulderCoords
: 40.0028°N, 105.3598°W NoticeRise : 20'Saddle : 6,450'Line Parent : Twin Sisters PeakParent Lineage Proximate Parent : 7922Isolation : 2.00 milesSubmit YDS Class Rating ![]() Weather Link Snow Depth CalTopo Custom List Entries Trip Reports: Submit a Trip Report Ascents: ![]() 2 members have reported ascents... log in to view ascents | Click on map to view full-screen map
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