Main Sail
Main Sail in Wyoming has 5 sport climbing routes on 5 difficulty grades.
- 5 routes
- 5.9 – 5.11a
- Sport
Best time to visit Main Sail
Best months: May–June and August–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
33° / 16°
7 wet
Feb
36° / 17°
7 wet
Mar
46° / 26°
8 wet
Apr
54° / 32°
10 wet
May
64° / 41°
11 wet
Jun
76° / 50°
8 wet
Jul
86° / 58°
7 wet
Aug
83° / 57°
6 wet
Sep
73° / 48°
7 wet
Oct
58° / 36°
8 wet
Nov
45° / 27°
7 wet
Dec
33° / 18°
7 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Pathfinder Dam, WY, 1.1 mi away at 5,923 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Main Sail is a climbing area in Wyoming, about 10 miles from the town of Alcova. It sits on land managed by the Bureau of Reclamation. The closest climbing neighbor is Pathfinder Marina, about a mile away, and The Love Shack is roughly 2.4 miles off. The Twin Towers Wall, also known as the Low Voltage Wall, is about 2.9 miles away, and Wine and Roses is about 3.7 miles away. All of these areas are within a few miles, so climbers can easily pair a session at Main Sail with time on one of them. The climbing here is all sport, and the routes run from about 5.9 to 5.11a. The hardest is Cap’n Ron at 5.11a, and the easiest is Chain Gang at 5.9-. Pat Parmentor is listed as the first ascender for all five routes. Summer is the most comfortable time to go. Typical averages from the nearby Pathfinder Dam weather station show July highs around 86°F and lows near 58°F. September cools to highs around 73°F and lows near 48°F.
Keep exploring — more climbs worth the drive
Photo: waterarchives, CC BY-SA 2.0 (via Wikimedia Commons)Pathfinder Marina
~2 min drive
Pathfinder Marina in Wyoming offers 6 climbing routes across 6 difficulty grades, featuring bouldering pads, sport, and trad.
Photo: supradave, CC BY 2.0 (via Flickr)Wine and Roses
~6 min drive
13-route climbing area in Wyoming with mixed and trad climbing.
Photo: supradave, CC BY 2.0 (via Flickr)Fremont Canyon
~7 min drive
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Photo: supradave, CC BY 2.0 (via Flickr)The Bridge
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Bridge, The is a climbing crag in Wyoming with 37 routes.
The Love Shack
~4 min drive
Love Shack, The in Wyoming has 10 climbing routes across 7 grades.
Twin Towers Wall (aka Low Voltage Wall)
~5 min drive
Twin Towers Wall (Low Voltage Wall) in Wyoming has 10 routes across 9 grades, offering sport and trad climbing.
School Bus
~9 min drive
School Bus in Wyoming has 7 bouldering routes across 7 grades.
The Aqueduct
~9 min drive
Aqueduct is a 7-route climbing area in Wyoming with bouldering pads.
Brown's Park
~9 min drive
Brown's Park in Wyoming has 7 bouldering routes across 5 grades.
Klettergarten
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Klettergarten is a bouldering area in Wyoming with 5 routes.
