Dirty Dozen
- 0.2 mi
- round trip
- 8 ft
- climb
- Out and back
- route
- Apr, Jun–Oct
- best months
Dirty Dozen is a short, flat mountain biking route in Massachusetts, about 1.1 miles from the town of Beechwood. The ride is an out-and-back of roughly 0.38 miles, with a high point of 109 feet and a low of 89 feet. The climb is nearly flat, with a total gain and loss of about 8 feet each way. Summer is the most comfortable time to ride. Typical averages from a nearby weather station in Hingham show July highs around 83°F with lows near 63°F, and September still runs in the mid-70s by day. Other mountain biking routes sit close by, including Beer Run about 0.4 miles away and Chugga Chugga about 0.6 miles away. Climbers can head to Whitney Thayer Woods, about a mile off, or Bigelow Boulder, about 1.1 miles away.
Local outfitters
- RideAway Adventures48 mi away
Not on Roamze yet. Their page has how to reach them.
Best time to go · Apr, Jun–Oct
Best time to visit Dirty Dozen
Best months: April and June–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
38° / 22°
13 wet
Feb
40° / 23°
11 wet
Mar
47° / 29°
12 wet
Apr
58° / 38°
12 wet
May
68° / 48°
13 wet
Jun
77° / 57°
11 wet
Jul
83° / 63°
10 wet
Aug
82° / 62°
9 wet
Sep
74° / 55°
9 wet
Oct
63° / 44°
11 wet
Nov
52° / 35°
11 wet
Dec
43° / 27°
12 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Hingham, MA, 3.9 mi away at 35 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
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~6 min drive
Short beginner-friendly singletrack through Massachusetts marshland terrain.
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McKenna Marsh Trail
~6 min drive
Short beginner-friendly singletrack through Massachusetts marshland terrain.
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McKenna Marsh Trail
~6 min drive
Short beginner-friendly singletrack through Massachusetts marsh terrain, perfect for skills building.
Map and trail data © OpenStreetMap contributors