Gran Delusion
- 5.10c
- grade
- Trad Gear
- style
- Jun–Sep
- best months
Is Gran Delusion open right now?
No closures listed
The Forest Service lists no closures for Umatilla National Forest.
As of · Source: USFS · Umatilla National Forest. Agencies don't list every closure — check before you go.
One of 133 routes catalogued at Spring Mountain, this climb sits in the middle range of the crag's 5.4 to 5.12d span. First ascent by Jim Cunningham.
- Nearby · Strings · Fiddlers Hell · Concert Hall
Best time to go · Jun–Sep
Best time to visit Gran Delusion
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
37° / 21°
17 wet
Feb
40° / 22°
15 wet
Mar
46° / 24°
17 wet
Apr
52° / 29°
15 wet
May
61° / 34°
14 wet
Jun
68° / 39°
9 wet
Jul
79° / 42°
4 wet
Aug
79° / 40°
4 wet
Sep
70° / 34°
6 wet
Oct
57° / 29°
11 wet
Nov
43° / 26°
15 wet
Dec
35° / 20°
17 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Meacham, OR, 9.9 mi away at 3,723 ft. The station sits about 800 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
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