Knob Crack
- V5
- grade
- Bouldering Pads
- style
- Apr–Oct
- best months
The hardest problem catalogued at Main Cliff, where three other routes span from V1+ to V4. First ascent by Dan Knisell.
- Nearby · Cliff Top Boulders · Fessenden Crag · Fessenden Block
Best time to go · Apr–Oct
Best time to visit Knob Crack
Best months: April–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
34° / 15°
Feb
35° / 14°
Mar
44° / 23°
Apr
57° / 35°
May
67° / 46°
Jun
76° / 55°
Jul
81° / 61°
Aug
79° / 59°
Sep
73° / 51°
Oct
60° / 39°
Nov
48° / 31°
Dec
37° / 21°
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Fitchburg Coop, MA, 7.6 mi away at 665 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
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