more stats
1.3 miles
Distance
263 ft
Climb
-263 ft
Descent
00:09:45
Avg time
625 ft
Altitude min
779 ft
Altitude max
763 ft
Altitude start
763 ft
Altitude end
-35.611%
Grade max
59.55%
Grade min
3,089 ft
Distance climb
3,190 ft
Distance down
834 ft
Distance flat
00:09:45
Avg time

River Otter Loop Details

  • Activities
    • Mountain Bike
    • Gravel Bike
    • Adaptive Bike
    • Hike
    • Trail Running
  • Riding Area
    Hidden Falls Regional Park
    Auburn, California
  • Difficulty Rating
    Blue Rate
  • Local Popularity
    80 in Mountain Biking [+]
    • 5 in Trail Running
    • 30 in Hiking
  • Global Ranking
    #71487 in Mountain Biking [+]
    • #265675 in Trail Running
    • #117999 in Hiking
  • Trail Type
    Doubletrack
  • Bike Type
    XC, Gravel, Adaptive MTB
  • Direction
    Downhill Primary
    Popular Direction Shown
  • Climb Difficulty
    Green
  • Physical Rating
    Moderate
  • Dogs Allowed
    Yes

No community description for River Otter Loop trail has been added yet!

AI Generated Description

River Otter Loop is a 1 mile popular blue difficulty doubletrack trail located near Auburn California. This mountain bike primary trail can be used downhill primary and has a moderate overall physical rating with a 263 ft green climb. On average it takes 9 minutes to complete this trail.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 1 rides
  • 20 miles average
6 Months
  • 64 rides
  • 17 miles avg distance
All
  • 344 rides
  • Last: Jul 3, 2026
c1c2c3c4
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River Otter Loop Trail Reports

statusdatedescription
Jul 3, 2026 @ 8:46am (America/Los_Angeles)
Jul 3, 2026
Jul 4, 2025 @ 9:57am
Jul 4, 2025
Jun 13, 2025 @ 7:40am
Jun 13, 2025
 Corners can be dry and slippery from the live oak leaves
Jan 28, 2025 @ 12:55pm
Jan 28, 2025
 Slick in areas
Nov 12, 2023 @ 1:30am
Nov 12, 2023
more »
Status:
on Jul 3, 2026
Very Dry
Avg: 4.13 (1 votes)
Your vote: 0

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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)
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The intended direction a trail should be ridden.
  • Downhill Only
  • Downhill Primary
  • Both Directions
  • Uphill Primary
  • Uphill Only
  • One Direction
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        Directions to river-otter-loop trailhead (38.970050, -121.181710)

        Photos

        3 more »
        196 |
        Feb 29, 2020 @ 11:23am
        Feb 29, 2020
        177 |
        Feb 3, 2020 @ 5:02am
        Feb 3, 2020
        179 |
        Jan 30, 2020 @ 2:07pm
        Jan 30, 2020

        Videos

        1 more »
        youtuber Hidden Falls (Auburn, CA) Mountain Biking
        18:03 | 811 | Feb 21, 2021 , Auburn

        Routes with this trail

        43
        Redhawk's Hidden Falls Flowish Loop
        ★ 3.5 • 13 miles • 1,614 ft • 16 • Loop •
        Many ways to put Hidden Falls together but I like this.
        20
        The best Hidden Falls Route
        ★ 1.0 • 14 miles • 1,541 ft • 7 • Loop •
        This is my favorite route around Hidden Falls
        39
        eMTB Hidden Falls
        19 miles • 1,999 ft • 20 •
        A clockwise flowing large loop starting with a warm-up climb on , and including an out and back on the...

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        Nearby Trails

        Hidden Falls Regional Park

        • By TheBikeNerdTF Pro NWTA & contributors
        • #20276 - 2,378 views

        Frequently Asked Questions About River Otter Loop

        ▼ Where is River Otter Loop located?
        River Otter Loop is located in Hidden Falls Regional Park, Auburn, California, United States. It is part of the Hidden Falls Regional Park trail network. The trailhead is located at coordinates 38.97005, -121.18171.
        ▼ How hard is River Otter Loop?
        River Otter Loop is rated as Blue difficulty. The physical rating is Moderate. The climb difficulty is rated Green.
        ▼ What is the elevation gain for River Otter Loop?
        River Otter Loop has 263 ft of elevation gain. The trail has 263 ft of elevation descent. The elevation ranges from 625 ft to 779 ft.
        ▼ Is River Otter Loop a point to point trail?
        River Otter Loop is not a point to point trail. The direction is Downhill Primary. The trail type is doubletrack.

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