Cascade Range · OR
Mount Thielsen
Also known as: Lightning Rod of the Cascades
9,183
Elevation ft
3,488
Prominence ft
Pacific Northwest
Region
Known as the "Lightning Rod of the Cascades" for its dramatic spire summit, Mount Thielsen is a heavily eroded ancient volcano with no glaciers remaining. Its Class 3-4 summit pinnacle requires confident scrambling and offers one of the most dramatic summit experiences in Oregon.
Routes · 0
+ Suggest a RouteWeather Forecast
7-Day Forecast
Tue, Sep 22
Overcast
48° / 34°
1%
💨15
Wed, Sep 23
Overcast
52° / 31°
2%
💨11
Thu, Sep 24
Drizzle
55° / 30°
13%
💧0.03"
💨11
Today
Rain
33° / 21°
71%
💧0.38"
💨7
Tomorrow
Overcast
49° / 21°
2%
💨10
Sun, Sep 27
Drizzle
44° / 23°
8%
💧0.02"
💨6
Mon, Sep 28
Overcast
44° / 21°
6%
💨10
Trip Reports
+ File a ReportNo reports yet for this peak.
Be the first to file a reportNearby Peaks
History
Mount Thielsen is an extinct shield volcano whose softer flanks have been dramatically eroded by glaciers, leaving the hard basaltic plug of the summit spire. The peak is within Umpqua National Forest and offers views of Crater Lake to the south.
First Ascent
1883 — Unknown early party