Sourdough Mountain
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Sourdough Mountain rises to 1,863 m in Washington. Jack Mountain stands 2,763 m to the east, 8.0 miles off. The nearest named place is Pierce Mountain, a peak 2.1 miles away. JCT KEYSTONE FERRY ZONE WHIDBEY ISLAND TO JCT SR 153 VIC TWISP passes 2.8 miles off.
The story
Sourdough Mountain (6,111 feet (1,863 m)) is in North Cascades National Park in the U.S. state of Washington. The Sourdough Mountain Lookout, is a fire lookout that was built by the Civilian Conservation Corps in 1933 near the summit. The lookout was placed on the National Register of Historic Places in 1989.
From Wikipedia, CC BY-SA 4.0.
Wikidata Q17349508, referenced by the OpenStreetMap record.
What the record says
- Elevation
- 1863 m
How to reach it
- 2.8 mi off the JCT KEYSTONE FERRY ZONE WHIDBEY ISLAND TO JCT SR 153 VIC TWISP
- 2.8 mi off the Cascade Loop, National
- 25.2 mi off the JCT SR 5 VIC BELLINGHAM TO AUSTIN PASS VIC MT BAKER
Overlooks nearby
- Diablo Lake Overlook · 3 mi
- Artist Point · 26 mi
- Washington Pass Overlook · 27 mi
Named places within 25 miles
- Pierce Mountain: 2.1 mi
- Pumpkin Mountain: 3.7 mi
- Davis Peak: 3.8 mi
- Roland Point: 4.4 mi
- Elephant Butte: 5.0 mi
- John Pierce Waterfall: 3.6 mi
- Ladder Creek Falls: 7.3 mi
- Newhalem Creek Falls: 8.4 mi
- Goat Falls: 15.9 mi
- Middle Berdeen Falls: 16.0 mi
- Trillium Conservation Area: 16.9 mi
- Diobsud Creek Barbien/Jordan Conservation Easement: 18.0 mi
- Diobsud Creek Abel Conservation Area: 18.7 mi
- Cascade River South 2: 19.8 mi
- Cascade River South 1: 20.2 mi
- Rock Cabin Avalanche: 13.4 mi
- Devils Stairway: 20.0 mi
- Winnies Slide: 22.9 mi
- North Cascading: 15.8 mi
- Brown bear mine camp: 21.1 mi
- Pacific Crest Trail Northern Terminus: 22.7 mi
- Gorge Powerhouse Visitor Gallery: 7.3 mi
- "Old Number 6" Seattle City Light Locomotive: 7.7 mi
- Temple of Power: 7.7 mi
- Pressentin County Park: 21.0 mi
- Baker Hot Springs: 24.8 mi
Other summits around it
The highest named summits within 13.8 miles of Sourdough Mountain. Elevation from each summit’s own record; bearing measured between the two coordinates.
| Summit | Bearing | Elevation | Distance |
|---|---|---|---|
| Jack Mountain | E 80° | 2,763 m | 8.0 mi |
| Klawatti Peak | S 175° | 2,586 m | 13.7 mi |
| Primus Peak | S 172° | 2,567 m | 11.9 mi |
| Marble Needle | S 182° | 2,560.6 m | 13.8 mi |
| Snowfield Peak | S 183° | 2,545 m | 8.1 mi |
| Austera Peak | S 174° | 2,534 m | 12.7 mi |
| Luna Peak | NW 310° | 2,533 m | 8.5 mi |
| Mount Challenger | WNW 301° | 2,501 m | 11.3 mi |
When to go
Light through the year
| Date | Sunrise | Golden hour | Sunset |
|---|---|---|---|
| March equinox | 07:08 | 18:36 | 19:17 |
| June solstice | 05:02 | 20:22 | 21:12 |
| September equinox | 06:52 | 18:23 | 19:04 |
| December solstice | 08:56 | 16:16 | 17:11 |
Local time (America/Vancouver).
Climate normals
Months averaging 50–80 °F: May–Sep.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg °F | 34 | 37 | 41 | 47 | 55 | 60 | 66 | 66 | 60 | 50 | 40 | 34 |
| Precip in | 12.3 | 7.4 | 8.2 | 4.6 | 2.7 | 2.3 | 1.3 | 1.5 | 3.4 | 8.6 | 13.7 | 11.6 |
1991–2020 U.S. Climate Normals, NOAA NCEI — Diablo DAM, 3 mi away.
Inside the official boundary of North Cascades National Park. Quietest months by visitation: Dec and Mar; busiest: Jul.
NPS visitation statistics, monthly averages 2021–2025 (2020 excluded).
Where this comes from
Location and category confirmed against OpenStreetMap.
OpenStreetMapWikipediaWikidata- USGS Geographic Names Information System feature 1526129 — Sourdough Mountain, Whatcom County, Washington.
OpenStreetMap element node/349028454
Day trips start here
- North Cascades National Park · 21 mi
Take the scenic way to Sourdough Mountain.
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