Bastion Block
Bastion Block in Colorado has 6 bouldering routes on 5 difficulty grades.
- 6 routes
- V0 – V4
- Bouldering
Best time to visit Bastion Block
Best months: April–May and September–October. 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° / 21°
6 wet · 4 snow
Feb
45° / 25°
5 wet · 3 snow
Mar
56° / 34°
6 wet · 2 snow
Apr
63° / 39°
6 wet · 1 snow
May
74° / 49°
6 wet
Jun
87° / 58°
4 wet
Jul
93° / 65°
6 wet
Aug
90° / 62°
7 wet
Sep
80° / 54°
7 wet
Oct
66° / 41°
6 wet
Nov
50° / 31°
6 wet · 2 snow
Dec
39° / 22°
6 wet · 4 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Colorado Nm, CO, 18.6 mi away at 5,781 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Bastion Block is a climbing area on Bureau of Land Management land in the Grand Junction Field Office in western Colorado. It sits among a cluster of boulders and blocks, with several other climbing spots within a short distance. Spring and fall are the most comfortable times to visit. Typical averages from a nearby weather station show May highs around 74°F and October highs around 66°F, while July averages about 93°F and winter brings highs near 39°F with a few snowy days each month. Riddler Boulder and Fortalice Boulder are each about 0.1 mile away, and BOGO Block is about 0.2 mile off. The Tabeguache Trail is roughly 0.8 mile away for a hike.
Keep exploring — more climbs worth the drive
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Blanc Block
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Blanc Block in Colorado has 6 bouldering routes across 4 difficulty grades.
Essential Boulder
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Essential Boulder in Colorado has 6 bouldering routes across 4 grades.
Grit Wall
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Grit Wall in Colorado has 8 routes across 6 grades, offering mixed and sport climbing.
Blacked Out Boulder
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Blacked Out Boulder in Colorado has 11 bouldering routes.
Poe Block
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Poe Block in Colorado has 6 bouldering routes on 5 difficulty grades.
Area 51 Boulder Area
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Area 51 Boulder Area in Colorado has 23 bouldering routes across 10 grades.
Falls From Above Boulder
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6 bouldering routes at Falls From Above Boulder in Colorado, grades 5.10 to 5.12c.
Tree of Life Boulder
~1 min drive
Tree of Life Boulder in Colorado has 5 bouldering routes across 3 grades.
