Open in App
Get this trail on your phone instantly.
more stats
2,306 ft
Distance
30 ft
Climb
-5 ft
Descent
00:07:24
Avg time
24 ft
Altitude change
321 ft
Altitude min
351 ft
Altitude max
326 ft
Altitude start
351 ft
Altitude end
1.1%
Grade
-2.4%
Grade max
8.4%
Grade min
1,198 ft
Distance climb
341 ft
Distance down
764 ft
Distance flat
00:07:24
Avg time
The Intro Details
-
Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
- Snowshoe
- Nordic Ski
-
Riding AreaVietnam Trail Network
Milford, Massachusetts -
Difficulty Rating
-
Local Popularity85 in Mountain Biking [+]
- 75 in E-Biking
- 90 in Trail Running
- 95 in Hiking
- 5 in Snowshoeing
- 5 in Nordic Skiing
-
Global Ranking#8515 in Mountain Biking [+]
- #14503 in Trail Running
- #9963 in Hiking
- #1202 in Snowshoeing
- #2868 in Nordic Skiing
-
Trail TypeSingletrack
-
Bike TypeAM, XC
-
DirectionBoth Directions
-
Climb DifficultyBlue
-
Physical RatingModerate
-
Dogs AllowedYes
-
eBike Allowed
-
TTFs on TrailRock Garden
-
Land Owner
The Intro is a fun, rocky, rooty, yet fast and flowy trail with a tricky rocky river crossing. However, on your second pass through this trail you will fly it Great fun both ways.
Access Info
The Intro starts on Farm Way, between the Top Down intersection and the Upper Charles River Rail Trail, and runs North to where it joins with College Rock Run.
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
- 18 rides
- 8 miles average
6 Months
- 302 rides
- 9 miles avg distance
All
- 3,059 rides
- Last: Sep 20, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
The Intro Trail Reports
more »
close
-
Layers w
- Weather Layers
- Pro
- Pro
- Pro
- Pro
- Pro
- Pro
- More Layers
- Pro
- Pro
- Pro
- Pro
-
Upgrade to
3D
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.
- Description
- 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.
- most popular
- popular
- less popular
- not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
Radar Time
Activity Recordings
Trailforks uses anonymized public activity data.
?
Activity Recordings
Trailforks uses anonymized public activity data.
?
Winter Trails
Warning
A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
Missing Trails
Most Popular
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
![map legend]()
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
Direction the slope faces
Trails Deemphasized
Trails are shown in grey.
Only show trails with no bike usage.
Suggested Layers
Based on selected activity type
Save the current map location and zoom level as your default home location whenever this page is loaded.
Save
Directions to the-intro trailhead
(42.187940, -71.501600)
Photos
10 more »
Videos
no videos have been added for The Intro yet, add a video.
Routes with this trail
★ 4.7 • 6 miles • 427 ft • 20 • Out & Back •
If you feel comfortable with routes 1, 2 and 3 in this series, then this route will be a modest step-up in...
★ 4.0 • 12 miles • 1,225 ft • 19 • Loop •
Built this loop for YouTuber BKXC for his visit to Vietnam. Its all of my favorite trails smashed into one...
★ 5.0 • 25 miles • 1,208 ft • 30 •
This is a draft of a 25 Mile Tour of Holliston
Reviews / Comments
No reviews yet, be the first to write a review or ask a question.
Use trail reports to comment on trail conditions.
We hope you've been enjoying Trailforks!
Create a FREE account to view all trail reviews and much more.
Nearby Trails
- Farm Way 125 ft
- Cliffwalk 328 ft
- Chicken Little 394 ft
- Charles River Tow Road Upper 827 ft
- Upper Charles River Rail Trail 827 ft
Vietnam Trail Network
- By WillieJacobsz
Trailforks SBP SWW & contributors - #126061 - 1,698 views
- Follow/Subscribe
- login to download gpx or kml files.
Hit the Trail
Download Trail
Save to wishlist, Garmin & download.
Find Related Routes
Find routes and users activities that include this trail.
You must enter a description before submitting.