Sun Sail
Mid-range climb among six routes at Sun Sail Boulder.
- V3
- grade
- Bouldering Pads
- style
Is Sun Sail open right now?
Closure in the area
There's a closure order in Mt. Baker-Snoqualmie National Forest. It doesn't name Sun Sail, so check the source for the area it covers (2 listed).
Grand Park 2 Fire Closure Update
Agency closure covering Mt. Baker-Snoqualmie National Forest · Order 06-05-26-16 · USFS · Mt. Baker-Snoqualmie National Forest
Bell Creek Bridge Damaged
Agency closure covering Mt. Baker-Snoqualmie National Forest · USFS · Mt. Baker-Snoqualmie National Forest
Rescission of Shooting Restrictions
Agency alert covering Mt. Baker-Snoqualmie National Forest · USFS · Mt. Baker-Snoqualmie National Forest
Electric Fire Closure Order
Agency alert covering Mt. Baker-Snoqualmie National Forest · Order 06-05-26-19 · USFS · Mt. Baker-Snoqualmie National Forest
Mountain Goats Have Been Present on Yellow Aster Butte
Agency alert covering Mt. Baker-Snoqualmie National Forest · USFS · Mt. Baker-Snoqualmie National Forest
As of · Source: USFS · Mt. Baker-Snoqualmie National Forest. Agencies don't list every closure — check before you go.
Best time to visit Sun Sail
Best months: July–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
42° / 31°
20 wet · 4 snow
Feb
47° / 32°
17 wet · 2 snow
Mar
52° / 34°
19 wet · 2 snow
Apr
59° / 38°
18 wet
May
66° / 44°
16 wet
Jun
69° / 48°
13 wet
Jul
77° / 52°
7 wet
Aug
77° / 52°
7 wet
Sep
71° / 48°
11 wet
Oct
58° / 41°
16 wet
Nov
47° / 36°
20 wet · 2 snow
Dec
41° / 32°
20 wet · 5 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Baring, WA, 4.5 mi away at 770 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Closures we've recorded since August 2026
Campfire Ban in Effect Forest-wide
Mt. Baker-Snoqualmie National Forest · Order dated July 21, 2026; seen Aug 23, 2026 → lifted Sep 15, 2026 · Forest Service
One of six routes catalogued at Sun Sail Boulder, this climb sits in the middle of the crag's range from V0 to V4.
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