Coal Mountain Boulders
Coal Mountain Boulders in Washington has 5 bouldering routes across 3 grades.
- 5 routes
- V0 – V2-3
- Bouldering
Best time to visit Coal Mountain Boulders
Best months: June–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
46° / 35°
20 wet
Feb
49° / 35°
18 wet
Mar
53° / 38°
20 wet
Apr
58° / 41°
17 wet
May
65° / 47°
14 wet
Jun
69° / 51°
12 wet
Jul
74° / 53°
8 wet
Aug
75° / 53°
7 wet
Sep
70° / 49°
12 wet
Oct
60° / 43°
18 wet
Nov
50° / 39°
21 wet
Dec
45° / 34°
21 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Sedro-Woolley, WA, 5.4 mi away at 60 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Coal Mountain Boulders is a bouldering area in Washington, about 3 miles from the community of Day Creek. It is a compact cluster of boulders with five routes, all rated V0 or V2-3 on the V scale, and the boulders are the main draw here. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Sedro-Woolley show July and August highs around 74 to 75°F with only seven or eight wet days a month, while winter months bring highs in the mid-40s and rain on 20 or more days. The routes include Birth Canal and Porpoise Chimney at V0, Tastes Like Chicken at V0 with a first ascent by Tyler Hill, and Main Vein at V2-3. The closest climbing is at Big Rock and 7 Mile Rock, both about 7 miles away. Paddlers can head to Rocky Creek or East Fork Nookachamps Creek, each about 5 miles off.
Keep exploring — more climbs worth the drive
Photo: Laurel Fan, CC BY-SA 2.0 (via Flickr)Cumberland Crags
~10 min drive
Versatile Washington crag with routes for multiple skill levels.
Photo: RVWithTito, CC BY 2.0 (via Flickr)Lookout Slabs
~39 min drive
Lookout Slabs in Washington has 5 climbing routes on bouldering pads.
Photo: RVWithTito, CC BY 2.0 (via Flickr)Green Wall
~39 min drive
Green Wall in Washington has 6 bouldering routes with 4 difficulty grades.
Photo: Buidhe, CC BY-SA 4.0 (via Wikimedia Commons)End of the Rope Crag
~40 min drive
End of the Rope Crag in Washington has 8 routes with 6 difficulty grades, offering sport and trad climbing.
Photo: bgreenlee, CC BY 2.0 (via Flickr)Powerline Wall West
~40 min drive
Powerline Wall West in Washington has 28 climbing routes across 13 grades.
Photo: bgreenlee, CC BY 2.0 (via Flickr)(d) Main Wall East
~40 min drive
(d) Main Wall East has 7 climbing routes in Washington, ranging from moderate to hard difficulty.
Photo: bgreenlee, CC BY 2.0 (via Flickr)Friction Slab
~40 min drive
Friction Slab in Washington has 7 climbing routes on 7 difficulty grades.
Photo: bgreenlee, CC BY 2.0 (via Flickr)Main Arete
~40 min drive
Main Arete in Washington has 7 routes ranging from moderate to hard, offering sport and trad climbing.
Big Rock
~12 min drive
Big Rock in Washington has 13 climbing routes across 8 difficulty grades.
7 Mile Rock
~13 min drive
7 Mile Rock in Washington has 36 climbing routes across 16 grades, featuring mixed, sport, and trad styles.
