more stats
3,310 ft
Distance
63 ft
Climb
-73 ft
Descent
00:08:36
Avg time
-8 ft
Altitude change
634 ft
Altitude min
695 ft
Altitude max
672 ft
Altitude start
663 ft
Altitude end
-0.2%
Grade
-11.9%
Grade max
17.8%
Grade min
1,273 ft
Distance climb
1,243 ft
Distance down
794 ft
Distance flat
00:08:36
Avg time

Erratic Details

  • Activities
    • Mountain Bike
    • Hike
    • Trail Running
  • Riding Area
    Lord Hill Regional Park
    Snohomish, Washington
  • Difficulty Rating
  • Voted Difficulty
    Blue (2 votes)
  • Local Popularity
    80 in Mountain Biking [+]
    • 35 in Trail Running
    • 85 in Hiking
  • Global Ranking
    #91065 in Mountain Biking [+]
    • #91274 in Trail Running
    • #81883 in Hiking
  • Trail Type
    Singletrack
  • Bike Type
    AM
  • Dogs Allowed
    Yes
  • eBike Allowed
  • TTFs on Trail
    Rock Garden
  • Land Owner
    Snohomish County Parks & Recreation

Cross country trail with some flowy bits, small punchy climbs and enough rooty and rock tech to keep things interesting.

The trail was originally named after the big boulders along the trail deposited from glaciers awhile back.

Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 11 rides
  • 7 miles average
6 Months
  • 195 rides
  • 9 miles avg distance
All
  • 1,134 rides
  • Last: Jul 8, 2026
c1c2c3c4
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Erratic Trail Reports

statusdatedescription
Jul 7, 2026 @ 4:56pm (America/Los_Angeles)
2 days
Jun 2, 2026 @ 12:54pm (America/Los_Angeles)
Jun 2, 2026
Opened up some drains on the south end
Jun 2, 2026 @ 8:25am (America/Vancouver)
Jun 2, 2026
Really fun alternative to the towers. [L=https://www.evergreenmtb.org/trails/ride-reports/rr-9626]Evergreen MTB Report[/L]
May 24, 2026 @ 12:38pm (America/Los_Angeles)
May 24, 2026
Brushed and leaf blown
Mar 23, 2026 @ 8:30am (America/Vancouver)
Mar 23, 2026
One mud bog up to 8" deep. Located at the low point in the middle. [L=https://www.evergreenmtb.org/trails/ride-reports/rr-9512]EvergreenMTB Trail...
more »
Status:
on Jul 7, 2026
Dry
Avg: 3.46 (8 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
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  • Both Directions
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  • Uphill Only
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Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
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        Directions to erratic-84165 trailhead (47.852340, -122.059840)

        Photos

        22 more »
        88 |
        Mar 21, 2025 @ 11:57am
        Mar 21, 2025
        123 |
        Mar 21, 2025 @ 11:53am
        Mar 21, 2025
        131 |
        Mar 21, 2025 @ 6:21am
        Mar 21, 2025
        370 |
        Apr 15, 2021 @ 9:09pm
        Apr 15, 2021

        Videos

        no videos have been added for Erratic yet, add a video.

        Routes with this trail

        10 miles 1,380 ft 19
        This route combines both downhill and XC trails to create the 3 longest downhill runs in the park. Expect...
        3.0 8 miles 1,392 ft 20
        This takes the easiest climb from the park's south entrance to access the core mountain bike trails. The...
        11 miles 1,641 ft 17 Loop
        A tour of the drier trails at Lord Hill. Includes downhill and XC sections.

        2 Reviews & Comments


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        Frequently Asked Questions About Erratic

        Where is Erratic located?
        Erratic is located in Lord Hill Regional Park, Snohomish, Washington, United States. It is part of the Lord Hill Regional Park trail network. The trailhead is located at coordinates 47.85234, -122.05984.
        How hard is Erratic?
        Erratic is rated as Blue difficulty. The average grade is 0.2%.
        What is the elevation gain for Erratic?
        Erratic has 63 ft of elevation gain. The trail has 73 ft of elevation descent. The elevation ranges from 634 ft to 695 ft.
        How long is Erratic?
        Erratic is 3,310 ft long. The trail type is singletrack.

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