Double helix bridge
The hardest climb at Vandy Buildering's Stevenson sector.
- V6
- grade
- Bouldering Pads
- style
Best time to visit Double helix bridge
Best months: March–May and September–November. 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
48° / 27°
Feb
52° / 31°
Mar
62° / 39°
Apr
72° / 47°
May
80° / 56°
Jun
87° / 64°
Jul
89° / 68°
Aug
89° / 67°
Sep
84° / 59°
Oct
73° / 47°
Nov
62° / 37°
Dec
51° / 32°
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Shelby Bottoms Nature, TN, 4.6 mi away at 405 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
This is the hardest route catalogued at Vandy Buildering's Stevenson sector, representing the upper end of the V1–V6 range established at the crag.
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