more stats
262 ft
Distance
-19 ft
Descent
00:00:25
Avg time
-21 ft
Altitude change
339 ft
Altitude min
360 ft
Altitude max
360 ft
Altitude start
338 ft
Altitude end
-7.9%
Grade
-13.9%
Grade max
-1.6%
Grade min
262 ft
Distance down
00:00:25
Avg time

B-Block Details

  • Activities
    • Mountain Bike
    • E-Bike
    • Hike
    • Trail Running
    • Snowshoe
    • Nordic Ski
  • Riding Area
    Knuckup Hill
    Wrentham, Massachusetts
  • Difficulty Rating
    Black Diamond Rate
  • Local Popularity
    55 in Mountain Biking heatmap [+]
    • 75 in E-Biking
    • 5 in Trail Running
    • 5 in Hiking
    • 5 in Snowshoeing
    • 5 in Nordic Skiing
  • Global Ranking
    #297473 in Mountain Biking [+]
    • #83229 in E-Biking
    • #262363 in Trail Running
    • #254745 in Hiking
    • #9173 in Snowshoeing
    • #22064 in Nordic Skiing
  • State Ranking
    #9,721 in Mountain Biking · Massachusetts [+]
    • #215 in E-Biking
    • #8,146 in Trail Running
    • #9,283 in Hiking
    • #836 in Snowshoeing
    • #488 in Nordic Skiing
  • Hiking SAC Scale
    T1 Hiking
  • Trail Exposure
    Normal
  • Trail Type
    Singletrack
  • Snow Grooming
    Backcountry
  • Bike Type
    XC
  • Direction
    Downhill Primary[+]
    • Downhill Primary for E-Biking
    • Downhill Primary for Nordic Skiing
  • Climb Difficulty
    Black Diamond
  • Physical Rating
    Hard
  • Trail Visibility
    Always easy to follow
  • Family Friendly
    Yes
  • Dogs Allowed
    Yes
  • eBike Allowed
    Yes up to Class 1
  • TTFs on Trail
    Rock Face, Rock Garden
  • Lighting
    No
  • Land Owner
    Town of Wrentham

Old-school tech downhill line that bypasses the more intense features on Blockhead, and connects back with the lower half of Blockhead.

Tags
Family friendlyRock gardensRock slabs

Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 0 rides
  •  
6 Months
  • 0 rides
  •  
All
  • 2 rides
  • Last: May 31, 2026
update trails status or condition

B-Block Trail Reports

statusdatedescription
Nov 8, 2025 @ 10:07am (America/New_York)
Nov 8, 2025
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Status:
on Nov 8, 2025
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      Directions to bblock trailhead (42.057120, -71.331110)
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      Nearby Trails

      Knuckup Hill

      Frequently Asked Questions

      ▼ Where is B-Block located?
      B-Block is located in Knuckup Hill, Wrentham, Massachusetts, United States. It is part of the Knuckup Hill trail network. The trailhead is located at coordinates 42.05712, -71.33111.
      ▼ How hard is B-Block?
      B-Block is rated as Black Diamond difficulty. The physical rating is Hard. The average grade is 7.9%. The climb difficulty is rated Black Diamond.
      ▼ What is the elevation gain for B-Block?
      The trail has 19 ft of elevation descent. The elevation ranges from 339 ft to 360 ft.
      ▼ Is B-Block a point to point trail?
      B-Block is not a point to point trail. The direction is Downhill Primary. The trail type is singletrack.
      ▼ How long is B-Block?
      B-Block is 262 ft long. The trail type is singletrack.
      ▼ Are dogs allowed on B-Block?
      Yes, dogs are allowed on B-Block. Please keep dogs on a leash where required and clean up after them.
      ▼ How do I access B-Block? Where is the closest parking trailhead?
      The closest parking and trailhead locations to B-Block are: View all parking locations in the area.
      ▼ How long does it take to ride B-Block?
      Based on recorded activities, it takes an average of 0 minute to ride B-Block. The trail is 262 ft long. Actual times will vary based on fitness level, conditions, and pace. View recent activity logs for more details.
      ▼ How busy is B-Block?
      B-Block is a moderately popular trail. There have been 7 recorded activities on this trail. The trail has received 7 check-ins. View recent activity on this trail.

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