Mount Thielsen is located near
Diamond Lake north of
Crater Lake National Park in the
Umpqua National Forest. This rugged horn-like mountain is unique and very distinguishable. It was known as Hischokwolas to Indians of the area, and is also known as Big Cowhorn. Trails from Hwy 138 lead up the south and west sides of the mountain.
Plan your vacation to the Pacific Northwest with 
