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1,375 ft
Distance
-19 ft
Descent
00:01:51
Avg time
-19 ft
Altitude change
403 ft
Altitude min
422 ft
Altitude max
422 ft
Altitude start
404 ft
Altitude end
-1.4%
Grade
-6.1%
Grade max
1%
Grade min
568 ft
Distance down
633 ft
Distance flat
00:01:51
Avg time
Bottom Round Details
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Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
- Snowshoe
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Riding AreaRayburn Trails @ Colton Road Conservation Area
Millbury, Massachusetts -
Difficulty Rating
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Local Popularity100 in Mountain Biking [+]
- 95 in E-Biking
- 95 in Trail Running
- 100 in Hiking
- 5 in Snowshoeing
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Global Ranking#72891 in Mountain Biking [+]
- #103669 in E-Biking
- #96483 in Trail Running
- #74642 in Hiking
- #23860 in Snowshoeing
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State Ranking#1,192 in Mountain Biking · Massachusetts [+]
- #360 in E-Biking
- #2,788 in Trail Running
- #1,905 in Hiking
- #2,580 in Snowshoeing
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Trail TypeSingletrack
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Bike TypeXC
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DirectionBoth Directions
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Climb DifficultyBlue
-
Physical RatingModerate
-
Dogs AllowedYes
-
eBike Allowed
-
Land Owner
Bottom Round is a fun and flowy trail with some root and rock obstacles, but not too much.
Local Trail Association
-
-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 5 rides
- 12 miles average
6 Months
- 86 rides
- 10 miles avg distance
All
- 427 rides
- Last: Oct 4, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Bottom Round Trail Reports
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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)
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The colour categories are based on what percentage of users are riding a trail in its intended direction.
The colour categories are based on what percentage of users are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
- > 50%
- < 50%
- bi-directional trail
- no data
Trail Last Used
Trailforks scans activity logs 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.
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- Photos
- Description & Photos
- Videos
Trail Popularity ?
Trailforks scans activity logs 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 activities = more kinetic energy = warmer colors.
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- popular
- less popular
- not popular
ATV/ORV/OHV Filter
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Activity Recordings
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Activity Recordings
Trailforks uses anonymized public activity data.
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Missing Trails
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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 users jump on trails. Zoom in to see individual jumps, click circles to view jump details.
BC Backroad Status
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Slope Aspect
Direction the slope faces
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Directions to bottom-round trailhead
(42.210980, -71.733250)
Photos
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Videos
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Routes with this trail
3 miles • 162 ft • 26 • Loop •
the novice loop for the 2026 Spring Social event
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Nearby Trails
- Connector Trail 705 ft
- Surprise 804 ft
- Hagrid 804 ft
- Barrel Trail 1,250 ft
- Quidditch Connector 1,293 ft
Rayburn Trails @ Colton Road Conservation Area
- By WillieJacobsz
Trailforks SBP SWW & contributors - #127729 - 765 views
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