Timberline is an alternate term for the tree line.

It may also refer to:

Places Timberline Lodge, a National Historic Landmark mountain lodge and ski area in Oregon, U.S. Timberline Lodge ski area, the ski area surrounding the lodge Timberline Four Seasons Resort, a ski area in West Virginia

Products Timberline Software, owned by Sage Group since September 2003

Schools Timberline High School (Boise, Idaho) Timberline High School (Weippe, Idaho) Timberline High School (Lacey, Washington) Timberline Secondary School

Churches Timberline Church, Fort Collins, Colorado Timberline Church, Aztec. New Mexico

See also Timberlane (disambiguation)