Diablo Wall
Diablo Wall in Washington has 8 sport climbing routes across 6 difficulty grades.
- 8 routes
- 5.10a – 5.13a
- Sport
Is Diablo Wall open right now?
No closures listed
The National Park Service lists no closures for Ross Lake National Recreation Area.
As of · Source: NPS · Ross Lake National Recreation Area. Agencies don't list every closure — check before you go.
Best time to visit Diablo Wall
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
38° / 30°
19 wet
Feb
43° / 30°
16 wet
Mar
49° / 33°
19 wet
Apr
57° / 37°
16 wet
May
66° / 44°
13 wet
Jun
70° / 49°
11 wet
Jul
78° / 53°
7 wet
Aug
79° / 54°
7 wet
Sep
71° / 49°
11 wet
Oct
58° / 41°
16 wet
Nov
45° / 35°
19 wet
Dec
38° / 30°
20 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Diablo Dam, WA, 0.8 mi away at 891 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Diablo Wall is a sport climbing area in Ross Lake National Recreation Area in north-central Washington, managed by the National Park Service. It sits among the recreation area's hiking trails, with Stetattle Creek Trail and Pyramid Lake Trail each under a mile away. Summer is the most comfortable time to climb here. Typical July and August highs reach about 78 to 79°F with lows in the mid-50s and only about seven wet days a month, according to averages from the nearby Diablo Dam weather station. Winter is cold and wet, with December highs around 38°F and 20 wet days. The area has eight sport routes, with grades ranging from 5.10a to 5.13a. Among them are Rainy Day Woman (5.10a) and Al Tesoro (5.13a), and several others were first climbed by Calvin Laatsch and Brittany Goris. Nearby, Ryan's Wall and the Upper Skagit Valley climbing areas lie within about five miles. Goodell Creek Campground is about 5 miles away for an overnight stay.
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