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  • Freeze/thaw Cycle
  • Icy
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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.
  • > 96%
  • > 90%
  • > 80%
  • > 70%
  • > 50%
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  • bi-directional trail
  • no data
Trail Last Ridden
Trailforks scans ridelogs to determine the last time a trail was ridden.
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Trail Ridden Direction
The intended direction a trail should be ridden.
  • Downhill Only
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Contribute Details
Colors indicate trail is missing specified detail.
  • Description
  • Photos
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  • 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.
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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
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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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      Map defaulted to winter mode.
      Bring your own bike or rent one at the base of River Run or over in the Village. Next you'll take the lifts to the top of Baldy for amazing 360 degree views, for the longest lift access downhill bike trails in the U.S. This is an exhilarating ride just under 11 miles top to bottom. Intermediate to expert level riders recommended.
      Primary Trail Type: All-Mountain & Downhill
      eBikes Allowed: No
      AKA: Baldy
      Land Status: Ski Resort
      Parking google parking directions
      Access Info:
      River Run Plaza at the base of Bald Mountain
      Links
      Activities Click to view
      Region Details
      • 2
      • 5
      • 7
      • 2

      Region Status
      Closed as of Jan 4, 2024

      Stats

      Trails (view details)
      49
      Trails Mountain Bike
      16
      Trails Horse
      1
      Trails Hike
      13
      Trails Trail Running
      13
      Trails Downhill Ski
      30
      Trails Nordic Ski
      1
      Total Distance
      82 miles
      Total Descent
      27,935 ft
      Total Vertical
      3,978 ft
      Highest Trailhead
      9,137 ft
      Reports
      668
      Photos
      406
      Ridden Counter
      13,067

      Outside Logo Articles

      Five Reasons Sun Valley Is the Ultimate Ski Resort
      Oct 1, 2021 from outsideonline.com
      When you combine stellar terrain, world-class amenities, and spectacularly uncrowded slopes, you get a mountain experience like no other

      Photos of Sun Valley: Bald Mountain Mountain Bike

      trail: Cold Springs
      14 |
      Aug 7, 2023 @ 5:19pm
      Aug 7, 2023
      trail: Cold Springs
      17 |
      Aug 7, 2023 @ 5:19pm
      Aug 7, 2023
      trail: Warm Springs
      80 |
      Jul 7, 2022 @ 12:33pm
      Jul 7, 2022
      trail: Broadway
      25 |
      Aug 23, 2021 @ 11:26pm
      Aug 23, 2021
      trail: Broadway
      21 |
      Aug 23, 2021 @ 11:26pm
      Aug 23, 2021
      trail: Warm Springs
      60 |
      Nov 29, 2020 @ 9:25pm
      Nov 29, 2020
      trail: Saddle Up
      452 |
      Jun 3, 2015 @ 12:16pm
      Jun 3, 2015
      trail: Saddle Up
      383 |
      Jun 3, 2015 @ 12:16pm
      Jun 3, 2015

      Videos of Sun Valley: Bald Mountain Mountain Bike

      Outerbike Sun Valley 2019
      trail: Lupine
      2:12 | 67 | Jul 29, 2019
      Outerbike Sun Valley
      trail: Lupine
      2:12 | 102 | Jul 29, 2019
      River Run Trail Sun Valley, ID
      19:16 | 239 | Jun 27, 2016
      Warm Springs 4
      1:23 | 79 | Jun 27, 2016
      Warm Springs 3 Sun Valley, ID
      13:14 | 262 | Jun 27, 2016
      Warm Springs 2
      34:31 | 84 | Jun 27, 2016
      Warm Springs 1
      1:12 | 30 | Jun 27, 2016
      Flow trail building
      trail: Lupine
      4:25 | 431 | Oct 11, 2014

      Recent Trail Reports

      statustraildateconditioninfouser
      Roundhouse Gondola
      Jan 4, 2024 @ 3:00pm
      Jan 4, 2024
      Snow CoveredHike saragress WRTC
      Upper River Run Trail
      Jan 4, 2024 @ 3:00pm
      Jan 4, 2024
      Snow CoveredHike saragress WRTC
      River Run Trail
      Jan 4, 2024 @ 3:00pm
      Jan 4, 2024
      Snow CoveredHike saragress WRTC
      Big Wood Connector
      Jan 4, 2024 @ 2:58pm
      Jan 4, 2024
      Freeze/thaw CycleHike saragress WRTC
      White Clouds Trail
      Jan 4, 2024 @ 2:37pm
      Jan 4, 2024
      Unknownwoodrivermiles WRTC
      Warm Springs
      Jan 4, 2024 @ 2:37pm
      Jan 4, 2024
      Unknownwoodrivermiles WRTC
      Valley View Loop
      Jan 4, 2024 @ 2:37pm
      Jan 4, 2024
      Unknownwoodrivermiles WRTC
      Valley View
      Jan 4, 2024 @ 2:37pm
      Jan 4, 2024
      Unknownwoodrivermiles WRTC
      Saddle Up
      Jan 4, 2024 @ 2:37pm
      Jan 4, 2024
      Unknownwoodrivermiles WRTC
      Pale Rider
      Jan 4, 2024 @ 2:36pm
      Jan 4, 2024
      Unknownwoodrivermiles WRTC

      Activity Feed

      usernameactiontypetitledate
      woodrivermilesupdatetrailactivity #46530699
      Nov 21, 2023 @ 10:24am
      Nov 21, 2023
      RyansIQwgbwishlisttrailactivity #45834885
      Nov 1, 2023 @ 8:23pm
      Nov 1, 2023
      RyansIQwgbdifficultyvotetrailactivity #45834868 and 2 more
      Nov 1, 2023 @ 8:23pm
      Nov 1, 2023
      EmersoniJmhtwishlistregionactivity #45063676
      Oct 9, 2023 @ 11:07pm
      Oct 9, 2023
      phylzubwishlistregionactivity #43993131
      Sep 11, 2023 @ 1:50pm
      Sep 11, 2023

      Recent Comments

      usernametypetitlecommentdate
      ShaeKosmotrailUpper River Run TrailFun! Not the caliber of other places I’ve...
      Aug 13, 2023 @ 8:26pm
      Aug 13, 2023
      ShaeKosmotrailMindbenderIt was great fun, trails could be a bit wider...
      Aug 13, 2023 @ 8:24pm
      Aug 13, 2023
      ShaeKosmotrailLupineVery little flow. Good warmup. I don’t see...
      Aug 13, 2023 @ 8:21pm
      Aug 13, 2023
      huntstyletrailCold SpringsCold Springs is NOT closed currently. Only...
      Jul 25, 2023 @ 10:39am
      Jul 25, 2023
      NathanWeisztrailWarm SpringsTop half of trail has lots of scree
      Sep 30, 2022 @ 12:24pm
      Sep 30, 2022

      Nearby Areas

      namedistance
      Bigwood Fat Bike Park 32 km
      Adam's Gulch 1 9 53.4 km
      Greenhorn 3 46.4 km
      North of Ketchum 6 17.1 km
      Johnstone 6 17.9 km

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike1658 miles12,064 ft47 miles3,845 ft
      #1,529#83840365914,851
      Horse12 miles702 ft2 miles702 ft
      252
      Hike1334 miles7,605 ft20 miles3,215 ft
      #1,417#879448392
      Trail Running1334 miles7,605 ft20 miles3,215 ft
      #1,418#877447129
      Downhill Ski3017 miles15,440 ft15 miles3,379 ft
      #110282,596
      Nordic Ski120 miles820 ft18 miles774 ft
      1214
      • By SunValleyTrails & contributors
      • Admins: WRTC
      • #8302 - 17,832 views
      • sun valley: bald mountain activity log | embed map of Sun Valley: Bald Mountain mountain bike trails | sun valley: bald mountain mountain biking points of interest

      Downloading of trail gps tracks in kml & gpx formats is enabled for Sun Valley: Bald Mountain.
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