close
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 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.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
  • < 50%
  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs 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 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.
  • most popular
  • popular
  • less popular
  • not popular
ATV/ORV/OHV Filter
Max Vehicle Width
inches
US Cell Coverage
Legend
cell carrier legend

Radar Time
x 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
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
x 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 riders jump on trails. Zoom in to see individual jumps, click circles to view jump details.
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with NO bikes.
enable

Save the current map location and zoom level as your default home location whenever this page is loaded.

Save
      Machine-built trail system designed for advanced mountain bike riding. Rip around the berms, shred the downhill trails, and enjoy several technical structures, bridges, rock gardens (Mix Master), rutty sections, a jump section (Wynalda Loop), and a testy advanced trail (Sawtooth). Merrell footwear is our title sponsor and all trail segments are named after some of their most popular shoes Merrell Trail is the most popular trail system in the greater Grand Rapids area.
      Primary Trail Type: Cross-Country
      Dirt Parking Lot google parking directions
      Activities Click to view
      Region Details
      • 4
      • 3
      • 7
      • 2

      Region Status
      Open as of Mar 15, 2025

      Stats

      Avg Trail Rating
      Trails (view details)
      16
      Trails Mountain Bike
      17
      Trails Hike
      17
      Trails Trail Running
      17
      Total Distance
      7 miles
      Total Descent
      554 ft
      Total Vertical
      136 ft
      Highest Trailhead
      941 ft
      Reports
      3,102
      Photos
      28
      Ridden Counter
      9,300

      Photos of Merrell Trails Mountain Bike

      trail: Phaser
      86 |
      Aug 4, 2023 @ 12:58pm
      Aug 4, 2023
      trail: Phaser
      73 |
      Aug 4, 2023 @ 12:57pm
      Aug 4, 2023
      138 |
      Aug 3, 2023 @ 4:11pm
      Aug 3, 2023
      trail: Phaser
      96 |
      Jun 2, 2023 @ 10:07am
      Jun 2, 2023
      trail: Phaser
      77 |
      Jun 2, 2023 @ 10:04am
      Jun 2, 2023
      trail: Phaser
      80 |
      Jun 2, 2023 @ 10:04am
      Jun 2, 2023
      137 |
      Aug 12, 2022 @ 7:23pm
      Aug 12, 2022
      95 |
      Aug 12, 2022 @ 7:23pm
      Aug 12, 2022

      Videos of Merrell Trails Mountain Bike

      Merrell Trail Edit 2015
      trail: Phaser
      3:14 | 829 | Aug 28, 2015
      Merrell Trail, Grand Rapids MI

      7:53 | 134 | Jul 10, 2023
      Merrell Trail

      5:55 | 150 | Dec 19, 2021
      youtuber Looking To Send Our Meta Hardtails  •...

      26:01 | 262 | Aug 30, 2021
      youtuber No Rear Suspension? No Problem • Merrell...

      26:01 | 172 | Aug 3, 2021
      Riding MTB Merrell Trail in Rockford, Michigan
      trail: Wilderness
      11:15 | 346 | Jul 13, 2021 , Rockford
      Riding MTB Merrell Trail in Rockford, Michigan
      trail: Sawtooth
      11:15 | 345 | Jul 13, 2021 , Rockford
      Merrell Trail Fat Bike Adventure

      3:55 | 186 | Jan 25, 2021

      Recent Trail Reports

      statustraildateconditioninfouser
      Wynalda Hub Climb
      Mar 15, 2025 @ 4:43pm
      Mar 15, 2025
      Unknown Cut in of short return trail to Wynalda Hub.jsimpson336 WMMBA
      Return Trail Access
      Mar 22, 2025 @ 4:42pm
      Mar 22, 2025
      Unknown Trail cut in by WMMBA volunteers and...jsimpson336 WMMBA
      Wilderness
      Mar 22, 2025 @ 4:39pm
      Mar 22, 2025
      Unknown Seasonal cleanup and reroutes performed...jsimpson336 WMMBA
      Phaser
      Jan 25, 2025 @ 2:03pm
      Jan 25, 2025
      Snow Groomedjev2YQU0
      Wynalda Loop
      Jan 25, 2025 @ 2:03pm
      Jan 25, 2025
      Snow Groomedjev2YQU0
      Parking Lot
      Nov 3, 2024 @ 10:27am
      Nov 3, 2024
      DryAs good as I’d expect.J-Buts
      Nova
      Sep 12, 2024 @ 1:42pm
      Sep 12, 2024
      Dryrickplite
      Siren
      Sep 12, 2024 @ 1:42pm
      Sep 12, 2024
      Dryrickplite
      Sawtooth
      Sep 7, 2024 @ 10:31am
      Sep 7, 2024
      Idealbriantimmer
      Parking Lot
      Jan 12, 2023 @ 7:56pm
      Jan 12, 2023
      Variable rickplite

      Activity Feed

      usernameactiontypetitledate
      jsimpson336addreportactivity #68238801 and 2 more
      Mar 22, 2025 @ 4:41pm
      Mar 22, 2025
      jsimpson336addpoiactivity #68237856
      Mar 22, 2025 @ 4:27pm
      Mar 22, 2025
      jsimpson336addtrailactivity #68234889 and 5 more
      Mar 22, 2025 @ 3:44pm
      Mar 22, 2025
      Abby5bKU8Rwishlistregionactivity #68064473
      Mar 19, 2025 @ 6:54pm
      Mar 19, 2025
      Abby5bKU8Rwishlisttrailactivity #68064425
      Mar 19, 2025 @ 6:53pm
      Mar 19, 2025

      Recent Comments

      usernametypetitlecommentdate
      BadCatBrickstrailSawtoothLiving close to Merrell Trail, it ride it...
      May 16, 2024 @ 6:14pm
      May 16, 2024
      BadCatBrickstrailWynalda LoopThe black diamond rating on this trail is not...
      May 16, 2024 @ 3:46pm
      May 16, 2024
      JaredshredsagaintrailWynalda LoopThe jumps are very small, beginner, and easy....
      Oct 26, 2022 @ 6:40am
      Oct 26, 2022
      HindleybtrailWynalda Loop2022 change was legendary
      Sep 16, 2022 @ 7:43pm
      Sep 16, 2022
      PowerPantzreportParking LotAre your trails closed when frozen? During...
      Dec 13, 2020 @ 3:07pm
      Dec 13, 2020

      Nearby Areas

      namedistance
      Rouge River Park 52 km
      Luton Park 9 73.7 km
      Donald J. Lamoreaux Park4.8 km
      Cannon Township5.1 km
      Cannon Loop Trails 15.2 km

      Bike & Skill Parks

      nametypecityrating
      Rock City BMXskill parkRockford

      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike177 miles554 ft2 miles138 ft
      #782#418283,102212,257
      Hike177 miles554 ft2 miles138 ft
      #554#3473,10075
      Trail Running177 miles554 ft2 miles138 ft
      #561#3463,100166
      • By brenthillierTF Pro NSMBA TRAILFORKS & contributors
      • Admins: WMMBA, dfrayer
      • #8665 - 21,129 views

      Downloading of trail gps tracks in kml & gpx formats is enabled for Merrell Trails.
      You must login to download files.