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6.1 miles
Distance
787 ft
Climb
-782 ft
Descent
612 ft
High Point
3 ft
Altitude change
249 ft
Altitude min
249 ft
Altitude start
253 ft
Altitude end
-26.7%
Grade max
19.9%
Grade min
3 miles
Distance climb
3 miles
Distance down
3,783 ft
Distance flat
A good basic loop that from Chartpak.
Mostly Harmful is optional.
Detailed Description
Group Loop is a 6 mile moderately popular intermediate route located near Northampton Massachusetts. This mountain bike primary route. This route includes 7 trails. This route climbs 787 ft with a max elevation of 612 ft then descends -782 ft.
Trail Issues on Route
- Minor Issue / Yellow: 2 trails (newest: Oct 15, 2025)
Local Trail Association
Please consider joining or donating to the local riding association to support trail development & maintenance.
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Stats
-
Distance6 miles
-
Avg time1 hr 32 min
-
Altitude change3 ft
-
Altitude min249 ft
-
Altitude start249 ft
-
Altitude end253 ft
-
Climb787 ft
-
Descent-782 ft
-
Grade max-26.7%
-
Grade min19.9%
-
Distance climb3 miles
-
Distance down3 miles
-
Distance flat3,783 ft
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Trails in Route
| 3,599 ft | |||||
| 1,591 ft | |||||
| 4,469 ft | |||||
| 1 mile | |||||
| 561 ft | |||||
| 784 ft |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Other Activities
- Hike
- Trail Running
- Snowshoe
- Nordic Ski
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Difficulty ratingBlue
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eBike Allowed
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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)
Trailforks scans users activity logs 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 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 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.
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- Both Directions
- Uphill Primary
- Uphill Only
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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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Trails are colored based on popularity. The more popular a trail is, the more red. Less popular trails trend towards green.
Jump Magnitude Heatmap
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BC Backroad Status
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Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.
Slope Aspect
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Photos
Videos
Saw Mill Hills
trail: Flat Rock
0:07 | | comments: 0 | favs:
Feb 19, 2024
A short glimpse of a Saw Mill Hills hike with dogs, Willy & Beau (they loved it!). Beautiful Winter day, apprx 32°.
Sawmills Mountain Biking, Northampton Ma
trail: Flat Rock
28:22 | 654 | comments: 0 | favs:
Jun 12, 2023
Recent Trail Reports Along Route
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& contributors - #37422 - 658 views
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