close
3D
Trail Conditions
  • Unknown
  • Snow Groomed
  • Snow Packed
  • Snow Covered
  • Snow Cover Partial
  • Freeze/thaw Cycle
  • Icy
  • Prevalent Mud
  • Wet
  • Variable
  • Ideal
  • Dry
  • Very Dry
Trail Flow (Ridden Direction)
Trailforks scans users ridelogs to determine the most popular direction each trail is ridden. A good flowing trail network will have most trails flowing in a single direction according to their intension.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
  • < 2 days
  • < 1 week
  • < 2 weeks
  • < 1 month
  • < 6 months
  • > 6 months
Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
Contribute Details
Colors indicate trail is missing specified detail.
  • Description
  • Photos
  • Description & Photos
  • Videos
Trail Popularity ?
Trailforks scans ridelogs to determine which trails are ridden the most in the last 9 months. Trails are compared with nearby trails in the same city region with a possible 25 colour shades. Think of this as a heatmap, more rides = more kinetic energy = warmer colors.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

Radar Time
x Activity Recordings
Trailforks users anonymized public ridelogs from the past 6 months.
  • mountain biking recent
  • mountain biking (>6 month)
  • hiking (1 year)
  • moto (1 year)
Activity Recordings
Trailforks users anonymized public skilogs from the past 12 months.
  • Downhill Ski
  • Backcountry Ski
  • Nordic Ski
  • Snowmobile
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x Missing Trails
Most Popular
Least Popular
Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
Heatmap of where riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with NO bikes.
enable

Save the current map location and zoom level as your default home location whenever this page is loaded.

Save
      Great Hill is a primarily foot traffic conservation area. It is the hilliest woodland in Acton so it can get pretty busy. Beautiful creeks run through the area with many trails to explore. The area is exceptionally rocky and some areas are prone to mud, be generous.
      Primary Trail Type: Cross-Country
      eBikes Allowed: No
      Land Status: Conservation Reserve
      Taylor Rd Parking google parking directions
      Access Info:
      Fire House Parking
      Disclaimer:
      Lots of dogs. Yield to dogs and hikers.
      Activities Click to view
      Region Details
      • 1
      • 1
      • 3
      • 10
      • 3

      Region Status
      Caution as of Apr 7, 2024

      Stats

      Avg Trail Rating
      Trails (view details)
      21
      Trails Mountain Bike
      18
      Trails Hike
      21
      Trails Trail Running
      21
      Trails Snowshoe
      17
      Total Distance
      5 miles
      Total Descent Distance
      2 miles
      Total Descent
      618 ft
      Total Vertical
      175 ft
      Highest Trailhead
      350 ft
      Reports
      53
      Photos
      3
      Ridden Counter
      166

      Photos of Great Hill Conservation Area Mountain Bike

      33 |
      Apr 15, 2022 @ 9:03am
      Apr 15, 2022
      trail: Blue DH
      36 |
      Apr 15, 2022 @ 9:00am
      Apr 15, 2022
      trail: Blue DH
      53 |
      Apr 15, 2022 @ 9:00am
      Apr 15, 2022

      Recent Trail Reports

      statustraildateconditioninfouser
      Blue Trail
      Oct 6, 2023 @ 4:16am
      Oct 6, 2023
      IdealLots of trees down from the storm a few...mattson-clement NEPM
      Blue DH
      Aug 27, 2023 @ 7:15pm
      Aug 27, 2023
      WetA little muddy and small tree downSizeableSender
      Blue Trail
      Aug 27, 2023 @ 7:06pm
      Aug 27, 2023
      WetA little wet in some sections, still...SizeableSender
      Yellow Loop
      Aug 27, 2023 @ 7:03pm
      Aug 27, 2023
      Prevalent MudMost of the rock gardens are pretty wet...SizeableSender
      Great Hill Blue Connector
      Feb 9, 2023 @ 11:35pm
      Feb 9, 2023
      WetSignificant water in the creek, otherwise drymattson-clement NEPM
      Red Trail
      Feb 10, 2023 @ 7:35am
      Feb 10, 2023
      Prevalent MudA bit of mud/thawing grounds towards the endmattson-clement NEPM
      Soccor Field Trail
      Sep 7, 2022 @ 6:18pm
      Sep 7, 2022
      Idealmattson-clement NEPM
      Reroute
      Sep 7, 2022 @ 6:18pm
      Sep 7, 2022
      Idealmattson-clement NEPM
      Red Trail Entrance
      Sep 7, 2022 @ 6:18pm
      Sep 7, 2022
      Idealmattson-clement NEPM
      Red Trail Decent
      Sep 7, 2022 @ 6:18pm
      Sep 7, 2022
      Idealmattson-clement NEPM

      Activity Feed

      usernameactiontypetitledate
      mattson-clementupdatetrailactivity #49785933
      Mar 7, 2024 @ 9:26am
      Mar 7, 2024
      Rypocwishlistregionactivity #49521583
      Feb 25, 2024 @ 8:47am
      Feb 25, 2024
      mattson-clementaddreportactivity #44919374
      Oct 6, 2023 @ 4:16am
      Oct 6, 2023
      SizeableSenderaddpoiactivity #43496652
      Aug 29, 2023 @ 5:13am
      Aug 29, 2023
      SizeableSendercommenttrailactivity #43436560 and 1 more
      Aug 27, 2023 @ 7:14pm
      Aug 27, 2023

      Recent Comments

      usernametypetitlecommentdate
      SizeableSendertrailNorth Blue DHReally fun... Nuff said
      Aug 27, 2023 @ 7:18pm
      Aug 27, 2023
      SizeableSendertrailYellow LoopShould be renamed to NE Rock Garden Mecca. If...
      Aug 27, 2023 @ 7:14pm
      Aug 27, 2023

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike184 miles600 ft2 miles174 ft
      #5,409353117
      Hike215 miles620 ft2 miles174 ft
      #5,728535
      Trail Running215 miles620 ft2 miles174 ft
      #7,138534
      Snowshoe174 miles456 ft2 miles171 ft
      #1,690363
      • By mattson-clement NEPM & contributors
      • Admins: NEPM, NEPM, NEPM
      • #50178 - 912 views
      • great hill conservation area activity log | embed map of Great Hill Conservation Area mountain bike trails | great hill conservation area mountain biking points of interest

      Downloading of trail gps tracks in kml & gpx formats is enabled for Great Hill Conservation Area.
      You must login to download files.