Massachusetts · Rock climbing · Townsend

Gem Boulder

8 routes
V0 – V5
Bouldering
Apr–Oct
best months

Gem Boulder is a bouldering area in Massachusetts, about 2.5 miles from the town of West Townsend. It sits among a cluster of other bouldering spots, with Townsend Conjecture Overhang, State Line Boulders and Trillium Boulder all about 0.1 mile away. The area has eight bouldering routes, all rated from V0 to V5 on the V scale. The easiest are Hoots and Scarlett Johansson, both V0, and the hardest is Blue Marble at V5. The routes are all boulders, and the grade range runs from V0 to V5, with V1 as the median. Summer is the most comfortable time to visit. Typical averages from a nearby weather station in Fitchburg show July highs around 81°F and lows near 61°F, while winter highs stay in the mid-30s. Old Rusk Quarry is about 1.4 miles away, and the Brook Trail hike is about 2.4 miles off. Paddlers can reach the Squannacook River about 3.6 miles away.

  • Best time to go · Apr–Oct

    Best time to visit Gem Boulder

    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.

    1. Jan

      34° / 15°

    2. Feb

      35° / 14°

    3. Mar

      44° / 23°

    4. Apr

      57° / 35°

    5. May

      67° / 46°

    6. Jun

      76° / 55°

    7. Jul

      81° / 61°

    8. Aug

      79° / 59°

    9. Sep

      73° / 51°

    10. Oct

      60° / 39°

    11. Nov

      48° / 31°

    12. Dec

      37° / 21°

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Fitchburg Coop, MA, 6.4 mi away at 665 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.