Massachusetts · Rock climbing · Ayer

Trashcan Boulder

7 routes
V0- – V9
Bouldering
Apr, Jul–Oct
best months

Trashcan Boulder is a bouldering area in Massachusetts, about 1.2 miles from the town of Ayer. It sits among a cluster of other bouldering spots, with Ayer Boulders and Kotik Crag each about 0.1 mile away. The area has seven boulder problems, all rated on the V scale from V0- to V9. The easiest is Walk-On at V0-, and the hardest is The Compactor at V9, first climbed by Zeb Engberg. The median grade is V2, so the range runs from easy to challenging. For comfortable weather, late spring and early fall are the best bets. Typical averages from a nearby weather station in Fitchburg show May highs around 70°F and September highs around 74°F, with July the warmest month at about 83°F. Nearby, Ayer Boulders and Kotik Crag are both about 0.1 mile away. Spacious Skies Campgrounds - Minute Man and the Esker Loop Trail are each about 2 miles off.

  • Best time to go · Apr, Jul–Oct

    Best time to visit Trashcan Boulder

    Best months: April and July–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° / 16°

      11 wet

    2. Feb

      37° / 17°

      9 wet

    3. Mar

      45° / 25°

      11 wet

    4. Apr

      58° / 35°

      12 wet

    5. May

      70° / 46°

      13 wet

    6. Jun

      78° / 56°

      13 wet

    7. Jul

      83° / 61°

      12 wet

    8. Aug

      82° / 60°

      12 wet

    9. Sep

      74° / 51°

      11 wet

    10. Oct

      62° / 40°

      12 wet

    11. Nov

      50° / 30°

      11 wet

    12. Dec

      40° / 22°

      11 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Fitchburg Muni Ap, MA, 9.6 mi away at 348 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.