Mount Thielsen
| Use attributes for filter ! | |
| Elevation | 2799 |
|---|---|
| First ascent | 1883 |
| Prominence | 1,019 m |
| Topo map | USGS |
| Locations | Douglas |
| Klamath | |
| Oregon | |
| U. S. | |
| Umpqua | |
| Fremont–Winema | |
| Did you know | Thielsen's sharp peak is a prominent feature of the skyline visible from Crater Lake National Park. |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1400451 |
About Mount Thielsen
Mount Thielsen, or Big Cowhorn, is an extinct shield volcano in the Oregon High Cascades, near Mount Bailey. Because eruptive activity ceased 250,000 years ago, glaciers have heavily eroded the volcano's structure, creating precipitous slopes and a horn-like peak.
