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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 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
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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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      Open daily 10 am - 4 pm 7 days per week for lift assisted biking and hiking. 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
      Caution as of 3 days

      Stats

      Avg Trail Rating
      Trails (view details)
      49
      Trails Mountain Bike
      22
      Trails Horse
      1
      Trails Hike
      20
      Trails Trail Running
      20
      Trails Downhill Ski
      37
      Trails Backcountry Ski
      7
      Trails Nordic Ski
      1
      Total Distance
      82 miles
      Total Descent
      27,935 ft
      Total Vertical
      3,978 ft
      Highest Trailhead
      9,137 ft
      Reports
      751
      Photos
      390
      Ridden Counter
      17,311

      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: Warm Springs
      78 |
      Nov 29, 2020 @ 9:25pm
      Nov 29, 2020
      trail: Warm Springs
      83 |
      Nov 29, 2020 @ 9:25pm
      Nov 29, 2020
      trail: Warm Springs
      84 |
      Nov 29, 2020 @ 9:25pm
      Nov 29, 2020
      trail: Warm Springs
      94 |
      Nov 29, 2020 @ 9:25pm
      Nov 29, 2020
      83 |
      Sep 5, 2020 @ 11:01am
      Sep 5, 2020
      78 |
      Sep 5, 2020 @ 11:01am
      Sep 5, 2020
      trail: Saddle Up
      494 |
      Jun 3, 2015 @ 12:16pm
      Jun 3, 2015
      trail: Saddle Up
      413 |
      Jun 3, 2015 @ 12:16pm
      Jun 3, 2015

      Videos of Sun Valley: Bald Mountain Mountain Bike

      Outerbike Sun Valley 2019
      trail: Lupine
      2:12 | 72 | Jul 29, 2019
      Outerbike Sun Valley
      trail: Lupine
      2:12 | 104 | Jul 29, 2019
      River Run Trail Sun Valley, ID
      19:16 | 259 | Jun 27, 2016
      Warm Springs 4
      0:23 | 83 | Jun 27, 2016
      Warm Springs 3 Sun Valley, ID
      13:14 | 268 | Jun 27, 2016
      Warm Springs 2
      34:31 | 86 | Jun 27, 2016
      Warm Springs 1
      0:12 | 30 | Jun 27, 2016
      Flow trail building
      trail: Lupine
      4:25 | 431 | Oct 11, 2014

      Recent Trail Reports

      statustraildateconditioninfouser
      Valley View Loop
      Apr 17, 2025 @ 11:44am
      Apr 17, 2025
      DryHike Nice and dry for the majority. Some...
      White Clouds Trail
      Mar 12, 2025 @ 1:18pm
      Mar 12, 2025
      Snow CoveredHike saragress WRTC
      Big Wood Connector
      Mar 12, 2025 @ 1:18pm
      Mar 12, 2025
      Snow CoveredHike saragress WRTC
      Cold Springs
      Jan 28, 2025 @ 2:00pm
      Jan 28, 2025
      Snow Coveredwoodrivermiles WRTC
      Warm Springs
      Jan 28, 2025 @ 2:00pm
      Jan 28, 2025
      Snow Coveredwoodrivermiles WRTC

      Activity Feed

      usernameactiontypetitledate
      Bobkepeswishlistregionactivity #71413509
      May 10, 2025 @ 7:06pm
      May 10, 2025
      Shinypenny85addreportactivity #70229983
      Apr 23, 2025 @ 12:52pm
      Apr 23, 2025
      benjamin-sriddentrailactivity #68668033
      Mar 29, 2025 @ 8:25pm
      Mar 29, 2025
      saragressaddreportactivity #67653229 and 1 more
      Mar 12, 2025 @ 1:18pm
      Mar 12, 2025
      rambofilmswishlisttrailactivity #65624083
      Feb 2, 2025 @ 7:59pm
      Feb 2, 2025

      Recent Comments

      usernametypetitlecommentdate
      ThebeavetrailUpper River Run TrailGood steady climb. Smooth overall. Rippable down
      Jun 24, 2024 @ 12:20pm
      Jun 24, 2024
      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

      Nearby Areas

      namedistance
      Bigwood Fat Bike Park 32 km
      Adam's Gulch 1 9 53.4 km
      Greenhorn 4 56.4 km
      North of Ketchum 7 17.1 km
      Johnstone 6 17.9 km

      Local Badges


      Activity Type Stats

      activitytypetrailsdistancedescentdescent distancetotal verticalratingglobal rankstate rankphotosreportsroutesridelogs
      Mountain Bike2258 miles12,064 ft47 miles3,845 ft
      #1,653#89240373216,862
      Horse12 miles702 ft2 miles702 ft
      2661
      Hike2034 miles7,605 ft20 miles3,215 ft
      #1,541#9581507712
      Trail Running2034 miles7,605 ft20 miles3,215 ft
      #1,541#9522506239
      Downhill Ski3717 miles15,440 ft15 miles3,379 ft
      #32294,435
      Backcountry Ski7
      120
      Nordic Ski120 miles820 ft18 miles774 ft
      1294
      • By SunValleyTrailsTF Pro & contributors
      • Admins: WRTC
      • #8302 - 19,901 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 polygons

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