Rock Mesa Obsidian Flow

USA / Oregon / Sisters /
 butte, summit, lava

Elevation: 6850 feet (2088 meters)

Obsidian flow created from flank eruption of South Sister approximately 2000 years ago.

peakbagger.com/peak.aspx?pid=56844
www.topoquest.com/map.php?lat=44.06873&lon=-121.797...
Nearby cities:
Coordinates:   44°4'5"N   121°47'51"W
This article was last modified 5 years ago