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8.4 miles
Distance
869 ft
Climb
-872 ft
Descent
439 ft
High Point
-2 ft
Altitude change
236 ft
Altitude min
392 ft
Altitude start
390 ft
Altitude end
-36.8%
Grade max
23.2%
Grade min
3 miles
Distance climb
3 miles
Distance down
2 miles
Distance flat
Grater Woods Fun Sunday Loop.
Detailed Description
Grater Loop is a 8 mile moderately popular intermediate route located near Merrimack New Hampshire. This mountain bike only route can be used one direction and has a moderate overall physical rating. This route includes 18 trails. This route climbs 869 ft with a max elevation of 439 ft then descends -872 ft.
Trail Issues on Route
- Significant Issue / Amber: 1 trail (newest: Jul 11, 2026)
- Minor Issue / Yellow: 1 trail (newest: Oct 3, 2026)
Local Trail Association
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Stats
-
Distance8 miles
-
Avg time2 hr 37 min
-
Altitude change-2 ft
-
Altitude min236 ft
-
Altitude start392 ft
-
Altitude end390 ft
-
Climb869 ft
-
Descent-872 ft
-
Grade max-36.8%
-
Grade min23.2%
-
Distance climb3 miles
-
Distance down3 miles
-
Distance flat2 miles
6 Reviews & Comments
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Trails in Route
| 1,260 ft | |||||
| 2,238 ft | |||||
| 243 ft | |||||
| 1,401 ft | |||||
| 2,090 ft | |||||
| 617 ft | |||||
| 1,427 ft | |||||
| 56 ft | |||||
| 1,385 ft | |||||
| 354 ft | |||||
| 2,539 ft | |||||
| 2,201 ft | |||||
| 2 miles | |||||
| 1,624 ft | |||||
| 1,096 ft | |||||
| 2,149 ft | |||||
| 3,501 ft | |||||
| 466 ft |
Details
-
Riding area
-
Primary ActivityMountain Bike
-
Difficulty ratingBlue
-
DirectionOne Direction
-
Physical ratingModerate
-
Activity Logs
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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 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
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ATV/ORV/OHV Filter
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Activity Recordings
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Activity Recordings
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Winter Trails
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A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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
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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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- Singletrack
- Unpaved
Photos
Videos
mtb
A Granite State Ride | RAW MTB
trail: Pine Marten
2:02 | 10828 | comments: 6 | favs: 130
Nov 12, 2016
Don’t overlook your own backyard, especially when it happens to be the majestic mountains of the Granite State. Pat Noonan, a serious rider and...
mtb
The Brickyard
trail: Brickyard
2:49 | 1013 | comments: 6 | favs: 19
Oct 27, 2008
Riding at the backyard pump track 'The Brickyard'.
Recent Trail Reports Along Route
more reports »
- By Spiegs
& contributors - #11102 - 1,777 views
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