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1,375 ft
Distance
-19 ft
Descent
00:02:26
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
00:02:26
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 Popularity90 in Mountain Biking [+]
- 85 in E-Biking
- 5 in Trail Running
- 100 in Hiking
- 5 in Snowshoeing
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Global Ranking
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Trail TypeSingletrack
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Bike TypeXC
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DirectionBoth Directions
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Climb DifficultyBlue
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Physical RatingModerate
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Dogs AllowedYes
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eBike Allowed
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Land Owner
Bottom Round is a fun and flowy trail with some root and rock obstacles, but not too much.
Local Trail Association
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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
- 3 rides
- 10 miles average
6 Months
- 67 rides
- 10 miles avg distance
All
- 384 rides
- Last: Jun 24, 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 riders are riding a trail in its intended direction.
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
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- < 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
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- 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.
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- popular
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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.
BC Backroad Status
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Slope Aspect
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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 for the 2026 Spring Social event
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Nearby Trails
- Connector Trail 1,135 ft
- Surprise 1,296 ft
- Hagrid 1,296 ft
- Barrel Trail 2,011 ft
- Quidditch Connector 2,080 ft
Rayburn Trails @ Colton Road Conservation Area
- By WillieJacobsz
Trailforks SBP SWW & contributors - #127729 - 618 views
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Frequently Asked Questions About Bottom Round
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Where is Bottom Round located?
Bottom Round is located in Rayburn Trails @ Colton Road Conservation Area, Millbury, Massachusetts, United States. It is part of the Rayburn Trails @ Colton Road Conservation Area trail network. The trailhead is located at coordinates 42.21098, -71.73325.
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How hard is Bottom Round?
Bottom Round is rated as Blue difficulty. The physical rating is Moderate. The average grade is 1.4%. The climb difficulty is rated Blue.
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What is the elevation gain for Bottom Round?
The trail has 19 ft of elevation descent. The elevation ranges from 403 ft to 422 ft.
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Is Bottom Round a point to point trail?
Bottom Round is not a point to point trail. The direction is Both Directions. The trail type is singletrack.
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