Jamcrack Spire
Jamcrack Spire in Colorado has 8 traditional climbing routes across 6 grades.
- 8 routes
- 5.5 – 5.11
- Trad
Best time to visit Jamcrack Spire
Best months: May–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
39° / 17°
5 wet
Feb
40° / 17°
5 wet
Mar
47° / 22°
6 wet
Apr
52° / 27°
8 wet
May
61° / 35°
10 wet
Jun
73° / 44°
9 wet
Jul
79° / 50°
10 wet
Aug
77° / 48°
11 wet
Sep
70° / 41°
8 wet
Oct
57° / 31°
6 wet
Nov
47° / 24°
5 wet
Dec
40° / 17°
5 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Gross Rsvr, CO, 3.5 mi away at 7,970 ft. The station sits about 1,000 ft higher than this place, so expect it a little warmer here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Jamcrack Spire is a climbing area in the Anderson-Debacker area of Colorado, on city-managed land. The site sits close to other climbing spots and trails, making it an easy addition to a day spent exploring the surrounding canyon. Summer is the most comfortable time to visit. Typical averages from a nearby weather station show July highs around 79°F and lows near 50°F, with September easing back to about 70°F by day. That station sits roughly 1,000 feet lower than the spire, so expect temperatures up high to run cooler. The Maiden, The and Fatiron climbing areas are each about 0.1 mile away, and the Shadow Canyon Trail and Shadow Canyon North Trail are both about 0.2 mile off. For a longer outing, Boulder Creek offers canoeing about 4.5 miles away.
Routes (8)
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