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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.
The colour categories are based on what percentage of riders are riding a trail in its intended direction.
- > 96%
- > 90%
- > 80%
- > 70%
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- bi-directional trail
- no data
Trail Last Ridden
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Trail Ridden Direction
The intended direction a trail should be ridden.
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Contribute Details
Colors indicate trail is missing specified detail.
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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.
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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
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Missing Trails
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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.
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SaveThe Vietnam Trail Network is one of the most versatile riding areas in the Blackstone Valley, with something for every style of rider, from modest beginners to advanced technical riders - cross country race snakes to big hitters.
The ~1,000 acres of land that make up the Vietnam Trail Network is owned by:
- Town of Holliston, managed by the Holliston Town Forest Committee and the Holliston Conservation Commission
- Town of Milford, managed by the Milford Conservation Commission
- Town of Hopkinton, managed by the Hopkinton Conservation Commission
- New England Mountain Bike Association (47 acres), managed by the NEMBA Vietnam Land Management Committee
- Various private land owners
The NEMBA Vietnam Land Management Committee works with all the land owners/managers to ensure proper land and trail management of the entire Vietnam Trail Network.
While Vietnam is legendary for its many challenging natural and man-made technical features - you'll see a lot of "big hit" bikes out on the trails - there are ways around most of the technical features and there are many more mellow as well as fast and flowy cross country trails all over Vietnam.
To see which trails are the most popular, on the map above, hit the “Trail Style” tab to open the drop down list, then hit “Popularity". The trails colored red are ridden most by Trailforks users, while the trails colored green is at the other end of the spectrum.
Most of Vietnam is served off a few spine trails. Get to know them and you will find everything. You should know The Main Trail which gives you access to all of the more technical stuff up on Rocky Ridge and the Vietnam Land and, below, to the more fun and flowy stuff around Swamp Bypass and Swamp Side, as well as the Fairbanks Trail which leads to the Kitchen, Three Ledges and Toe Jam. The Main Trail also gives you access to the awesome Three Sisters Trail, one of the best flow trails at Vietnam, and Middle Sister, one of the most fun low-tech trails in the Network.
In the Central part of the Network, everything hangs off the Holliston Highway and the Milford Byway. Both of these are easily accessed from the Adams Street Lot via Adams Lot Trail or New Trail. To get to College Rock you can go up Beaver Brook Way or Top Down, both of which takes you to Farm Way, from where you link to College Rock Run or First Base.
As a general rule, the further South you go, the more technical the trails. Most of the big technical features are on the trails that start off NEMBA Way - Mind the Gap, Down And Up, Rubber Stamp, Dirty Little Secret etc. If you don't know how to get there, we have created a special Route that you can download to get you to the NEMBA land and back, from the Adams Street Lot.
While you are up there, don't miss The Gig and Giggidy - both are fun, fast and flowy downhill trails with some awesome tech features.
The area around Kitchen is a favorite playground amongst regulars for its many rock features. Also popular are the many big rock features such as Whaleback Rock, Optional Rocks, Condo Rock and Dolphin Rock.
The most popular and central Trailhead is at the Adams Street parking area from where you can go South towards the more technical areas (via Cross Cut and Middle Sister) or North towards the more cross country trails (via New Trail and Beaver Brook Way).
Alternatively you can stay in the area around Adams Street Lot and ride the awesome trails such as Adams Lot Trail, Town Forest Trail, Sneaky Quickie, Optional Rocks, Sudden Impact, Humpback Rock, Deer Way, Right Turn Clyde, Do You Feel Lucky, New Trail, Bumblebee and Burial Bypass.
If you are interested only in the big hit area on the NEMBA parcel, the closest parking is at the end of the Dunster Road cul-de-sac. Please do not park at the Wendy's.
Have fun
The ~1,000 acres of land that make up the Vietnam Trail Network is owned by:
- Town of Holliston, managed by the Holliston Town Forest Committee and the Holliston Conservation Commission
- Town of Milford, managed by the Milford Conservation Commission
- Town of Hopkinton, managed by the Hopkinton Conservation Commission
- New England Mountain Bike Association (47 acres), managed by the NEMBA Vietnam Land Management Committee
- Various private land owners
The NEMBA Vietnam Land Management Committee works with all the land owners/managers to ensure proper land and trail management of the entire Vietnam Trail Network.
While Vietnam is legendary for its many challenging natural and man-made technical features - you'll see a lot of "big hit" bikes out on the trails - there are ways around most of the technical features and there are many more mellow as well as fast and flowy cross country trails all over Vietnam.
To see which trails are the most popular, on the map above, hit the “Trail Style” tab to open the drop down list, then hit “Popularity". The trails colored red are ridden most by Trailforks users, while the trails colored green is at the other end of the spectrum.
Most of Vietnam is served off a few spine trails. Get to know them and you will find everything. You should know The Main Trail which gives you access to all of the more technical stuff up on Rocky Ridge and the Vietnam Land and, below, to the more fun and flowy stuff around Swamp Bypass and Swamp Side, as well as the Fairbanks Trail which leads to the Kitchen, Three Ledges and Toe Jam. The Main Trail also gives you access to the awesome Three Sisters Trail, one of the best flow trails at Vietnam, and Middle Sister, one of the most fun low-tech trails in the Network.
In the Central part of the Network, everything hangs off the Holliston Highway and the Milford Byway. Both of these are easily accessed from the Adams Street Lot via Adams Lot Trail or New Trail. To get to College Rock you can go up Beaver Brook Way or Top Down, both of which takes you to Farm Way, from where you link to College Rock Run or First Base.
As a general rule, the further South you go, the more technical the trails. Most of the big technical features are on the trails that start off NEMBA Way - Mind the Gap, Down And Up, Rubber Stamp, Dirty Little Secret etc. If you don't know how to get there, we have created a special Route that you can download to get you to the NEMBA land and back, from the Adams Street Lot.
While you are up there, don't miss The Gig and Giggidy - both are fun, fast and flowy downhill trails with some awesome tech features.
The area around Kitchen is a favorite playground amongst regulars for its many rock features. Also popular are the many big rock features such as Whaleback Rock, Optional Rocks, Condo Rock and Dolphin Rock.
The most popular and central Trailhead is at the Adams Street parking area from where you can go South towards the more technical areas (via Cross Cut and Middle Sister) or North towards the more cross country trails (via New Trail and Beaver Brook Way).
Alternatively you can stay in the area around Adams Street Lot and ride the awesome trails such as Adams Lot Trail, Town Forest Trail, Sneaky Quickie, Optional Rocks, Sudden Impact, Humpback Rock, Deer Way, Right Turn Clyde, Do You Feel Lucky, New Trail, Bumblebee and Burial Bypass.
If you are interested only in the big hit area on the NEMBA parcel, the closest parking is at the end of the Dunster Road cul-de-sac. Please do not park at the Wendy's.
Have fun
source: NEMBA Vietnam page
Primary Trail Type: Cross-Country
eBikes Allowed:
No
AKA: Nam
Land Status: City Managed

Access Info:
PARKING AT VIETNAM
Vietnam has four parking areas offering direct access to the trail system.
1) Adams Street Parking Lot
388 Adams Street, Milford: This is the most popular Vietnam trailhead. Access to the trails is directly from the lot and offers easy access to all parts of the system. Most group rides depart from here.
2) Dunster Road Parking Area
130 Dunster Road, Milford: (off Adams Street) is a cul de sac and offers on-street parking at the end of the road. This is the closest access to the NEMBA Vietnam parcel and the more technical Southern end of Vietnam. Access the trails directly from the end of the road.
3) Route 85 Milford/Hopkinton Rail Trail Parking lot
451 Cedar Street, Milford: To access the trails ride South on the dirt double track alongside the paved Rail Trail, from where there are several access points to the left into the system (Skip the first access point).
4) College Rock Parking Lot
26 College Street, Hopkinton: This unpaved lot is at the Northern end of the trails, on College Street, just before it crosses Beaver Brook Stream. Access Vietnam directly from the Parking Lot via the College Rock Run Trail.
Vietnam has four parking areas offering direct access to the trail system.
1) Adams Street Parking Lot
388 Adams Street, Milford: This is the most popular Vietnam trailhead. Access to the trails is directly from the lot and offers easy access to all parts of the system. Most group rides depart from here.
2) Dunster Road Parking Area
130 Dunster Road, Milford: (off Adams Street) is a cul de sac and offers on-street parking at the end of the road. This is the closest access to the NEMBA Vietnam parcel and the more technical Southern end of Vietnam. Access the trails directly from the end of the road.
3) Route 85 Milford/Hopkinton Rail Trail Parking lot
451 Cedar Street, Milford: To access the trails ride South on the dirt double track alongside the paved Rail Trail, from where there are several access points to the left into the system (Skip the first access point).
4) College Rock Parking Lot
26 College Street, Hopkinton: This unpaved lot is at the Northern end of the trails, on College Street, just before it crosses Beaver Brook Stream. Access Vietnam directly from the Parking Lot via the College Rock Run Trail.
Links
- NEMBA Vietnam FB page
- NEMBA Vietnam page
- Holliston Town Forest Committee
- Holliston Conservation Commission
- Milford Conservation Comission
- Hopkinton Conservation Comission
Region Supporters & Maintainers
Papa Wheelies NatickSponsor
Milford BicycleSponsor
Activities Click to view
- Mountain Bike
105 trails
- Hike
104 trails
- Trail Running
104 trails
- Snowshoe
102 trails
- Nordic Ski
83 trails
Region Details
- 3
- 33
- 52
- 15
- 1
Region Status
Caution as of Jan 2, 2023Stats
- Avg Trail Rating
- Trails (view details)
- 104
- Trails Mountain Bike
- 105
- Trails Horse
- 1
- Trails Hike
- 104
- Trails Trail Running
- 104
- Trails Snowshoe
- 102
- Trails Backcountry Ski
- 2
- Trails Nordic Ski
- 83
- Total Distance
- 32 miles
- Total Descent
- 3,558 ft
- Total Vertical
- 208 ft
- Highest Trailhead
- 479 ft
- Reports
- 2,217
- Photos
- 446
- Ridden Counter
- 75,445
Popular Vietnam Trail Network Mountain Biking Trails
Vietnam Trail Network Mountain Bike Routes
title | rating | distance |
---|---|---|
Vietnam Hall of Fame | 8 miles | |
Fastest Route Adams Lot to NEMBA Land | 4 miles | |
Nam Challenge 620 | 2 miles | |
Vietnam for Beginners 3 | 6 miles | |
Drumm's Ultimate Vietnam | 12 miles | |
Vietnam Intermediate Introduction 1 | 7 miles | |
Vietnam For Beginners 1 | 3 miles | |
Vietnam for Beginners 2 | 4 miles | |
Nam Challenge 720 | 2 miles | |
Vietnam long loop | 8 miles |
Photos of Vietnam Trail Network Mountain Bike
trail: Chattering Rock
2 |
Aug 30, 2023 @ 11:09am
Aug 30, 2023
trail: Powerlines
9 |
Aug 15, 2023 @ 12:09pm
Aug 15, 2023
trail: Playtime
16 |
Aug 9, 2023 @ 9:33am
Aug 9, 2023
trail: C4
691 |
Jul 13, 2020 @ 3:16am
Jul 13, 2020
trail: C4
985 |
Mar 29, 2020 @ 7:17am
Mar 29, 2020
trail: NEMBA Loop
900 |
Mar 14, 2019 @ 9:27am
Mar 14, 2019
trail: NEMBA Loop
834 |
Mar 14, 2019 @ 9:27am
Mar 14, 2019
trail: NEMBA Trail
1,590 | | 1 comments
Jun 2, 2006 @ 10:25am
Jun 2, 2006Videos of Vietnam Trail Network Mountain Bike

trail: Root Canal
66 |
May 24, 2023

trail: F16
|
Oct 29, 2022

trail: Mind the Gap
347 |
Dec 6, 2021

trail: F16
315 |
Nov 13, 2021

trail: Giggidy
575 |
Aug 17, 2021

trail: Giggidy
485 |
Aug 17, 2021

trail: Knee Jerk
172 |
May 6, 2021

trail: Mind the Gap
456 |
May 6, 2021
Current Trail Warnings
status | trail | date | condition | user | info |
---|---|---|---|---|---|
Middle Sister | Oct 1, 2023 @ 8:35am 24 mins | Wet | DanKelly0312 | ||
B Bypass | Sep 27, 2023 @ 3:51pm Sep 27, 2023 | Wet | mike-carvalho | Large tree down | |
Dirty Little Secret | Sep 22, 2023 @ 3:24pm Sep 22, 2023 | Dry | drummstick | Decent tree down just before the tree gap... |
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
The Main Trail | Sep 10, 2023 @ 8:35am Sep 10, 2023 | Very Dry | Clavical | ||
The Gigg | Sep 2, 2023 @ 6:21am Sep 2, 2023 | Dry | viccuus | ||
Charles River Trail | Aug 31, 2023 @ 2:46pm Aug 31, 2023 | Prevalent Mud | andyrimtb | ||
Three Sisters | Aug 17, 2023 @ 4:07pm Aug 17, 2023 | Variable | mike-carvalho | ||
Gulley | Aug 15, 2023 @ 12:20pm Aug 15, 2023 | Wet | misterguy | ||
Milford Byway | Aug 15, 2023 @ 12:18pm Aug 15, 2023 | Variable | misterguy | ||
College Rock Run | Aug 15, 2023 @ 12:16pm Aug 15, 2023 | Wet | misterguy | ||
F16 | Aug 15, 2023 @ 11:52am Aug 15, 2023 | Variable | misterguy | ||
Eagle's Nest | Aug 14, 2023 @ 1:44pm Aug 14, 2023 | Ideal | mappermook TRAILFORKS | ||
Number Five. | Aug 14, 2023 @ 1:44pm Aug 14, 2023 | Variable | mappermook TRAILFORKS |
Activity Feed
username | action | type | title | date |
---|---|---|---|---|
Raymondfxstb | wishlist | route | Hello Vietnam! | Oct 1, 2023 @ 8:59am 40 sec |
DanKelly0312 | add | report | Middle Sister | Oct 1, 2023 @ 8:35am 24 mins |
bgup | wishlist | route | Vietnam Hall of Fame | Sep 30, 2023 @ 7:14pm 14 hours |
lucent | ridden | poi | Condo Rock | Sep 30, 2023 @ 5:35pm 15 hours |
mike-carvalho | add | report | Middle Sister and 1 more | Sep 27, 2023 @ 3:48pm Sep 27, 2023 |
Recent Comments
username | type | title | comment | date |
---|---|---|---|---|
trail | 2nd half is under water | Sep 14, 2023 @ 11:13am Sep 14, 2023 | ||
trail | This trail had a lot of different options! I'd... | Aug 24, 2023 @ 5:48pm Aug 24, 2023 | ||
trail | Definitely made for expert riders, but cool... | Aug 24, 2023 @ 5:47pm Aug 24, 2023 | ||
trail | Trail is quite overgrown compared to the other... | Aug 24, 2023 @ 5:45pm Aug 24, 2023 | ||
report | I | Aug 11, 2023 @ 3:51pm Aug 11, 2023 |
Nearby Areas
name | distance | ||||
---|---|---|---|---|---|
Colella's Park | 2.1 km | ||||
Braim Farm | 2.5 km | ||||
Wenakeening Woods | 19 | 6 | 2.9 km | ||
Mighton Woods | 2 | 3 km | |||
Center Trail Conservation Area | 3.3 km |
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 105 | 32 miles | 3,560 ft | 14 miles | 207 ft | #40 | #17 | 443 | 2,214 | 24 | 21,222 | |
Horse | 1 | 1,191 ft | 7 ft | 983 | 10 | |||||||
Hike | 104 | 32 miles | 3,560 ft | 14 miles | 207 ft | #26 | #14 | 7 | 2,201 | 295 | ||
Trail Running | 104 | 32 miles | 3,560 ft | 14 miles | 207 ft | #25 | #13 | 5 | 2,201 | 350 | ||
Snowshoe | 102 | 31 miles | 3,478 ft | 14 miles | 207 ft | #2 | #1 | 596 | 42 | |||
Backcountry Ski | 2 | 4,724 ft | 59 ft | 1,604 ft | 30 ft | 5 | 2 | |||||
Nordic Ski | 83 | 26 miles | 2,923 ft | 12 miles | 207 ft | #1 | #1 | 556 | 4 |
- By WillieJacobsz
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