Unsolved Mystery
- 0.5 mi
- round trip
- 155 ft
- climb
- Singletrack
- surface
- Out and back
- route
- Apr, Jun–Oct
- best months
Unsolved Mystery is a short, moderate mountain biking climb in western Massachusetts, about half a mile from the town of Aldrich Mills. The route is an out-and-back that starts at roughly 618 feet and reaches a high point of 635 feet, with a total elevation gain of 155 feet for the round trip. The climb is front-loaded, with the steepest stretch at about 0.2 miles in, where the grade reaches 6 percent. The most comfortable months for riding are late spring through early fall. Typical averages from a nearby weather station in Belchertown run from highs around 68°F in May to about 73°F in September, with July the warmest at 82°F. Several other mountain biking routes sit right next to this one. Southern Belle, Lizard King and Upper Access are each about 0.1 mile away, and Serpent God is about 0.2 mile off. For time on the water, the Fort River offers canoeing about 5 miles away.
Best time to go · Apr, Jun–Oct
Best time to visit Unsolved Mystery
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
33° / 15°
11 wet
Feb
35° / 15°
10 wet
Mar
44° / 24°
11 wet
Apr
57° / 34°
11 wet
May
68° / 45°
13 wet
Jun
77° / 54°
12 wet
Jul
82° / 60°
11 wet
Aug
80° / 58°
11 wet
Sep
73° / 51°
10 wet
Oct
60° / 40°
11 wet
Nov
49° / 31°
10 wet
Dec
38° / 22°
11 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Belchertown, MA, 8.2 mi away at 550 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
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Map and trail data © OpenStreetMap contributors

