Open Map
Close Map
Projections and Nav Modes
  • Normal View
  • Fisheye View
  • Architectural View
  • Stereographic View
  • Little Planet View
  • Panini View
Click and Drag / QTVR mode
Share this panorama
For Non-Commercial Use Only
This panorama can be embedded into a non-commercial site at no charge. Read more
Do you agree to the Terms & Conditions?
For commercial use, contact us
Embed this Panorama
For Non-Commercial Use Only
For commercial use, contact us


Glass Mountain - Lyons Peak (aerial)

A 400' aerial view over Glass Mountain obsidian flow from near the top of Lyons Peak.  The flow lies at the eastern end of the Medicine Lake Caldera in California.  Glass Mountain consists of a large pile of obsidian that erupted around 900-1000 years ago from 13 different vents.  The obsidian varies from familiar black shiny outcroppings to obsidian froth.  Most obsidian is found within the edges of the flow while the interior as well as much of the top of Glass Mountain itself is comprised of dacite.  No rock collecting allowed.  Lyons Peak itself has a red cinder slope & a shallow pumice-filled forested crater.

Copyright: William L
Type: Spherical
Resolution: 18800x9400
Taken: 25/09/2022
Uploaded: 25/09/2022


Tags: glass mountain; obsidian flow; woods; aerial; california; medicine lake volcano; caldera; vent; fissures; lyons peak; volcanic glass; red shale butte; mount shasta; arnica sink; mount hoffman; mount dome; crater; cascade range; mountains
More About California

It looks like you’re creating an order.
If you have any questions before you checkout, just let us know at and we’ll get right back to you.