2.5 miles
Distance
142 ft
Climb
-581 ft
Descent
00:21:55
Avg time

Bonzai Details

  • Activities
    • Mountain Bike
    • Horse
    • Hike
    • Trail Running
  • Riding Area
    McDonald Forest
    Corvallis, Oregon
  • AKA
    Banzai
  • Difficulty Rating
  • Hiking SAC Scale
    T1 Hiking
  • Trail Type
    Singletrack
  • Direction
    Both Directions
    Popular direction shown
  • Climb Difficulty
    Blue
  • Physical Rating
    Moderate
  • Trail Visibility
    Always easy to follow
  • Dogs Allowed
    Yes
  • eBike Allowed
  • Local Popularity
    90 in Mountain Biking [+]
    • 95 in Trail Running
    • 85 in Hiking
    • 5 in Horseback
  • Land Owner

Official mostly natural-tread (dirt with a short road liaison) trail. Open to hikers, bikers, trail runners and equestrians, unlike the nearby pedestrian-only Powder House and Section 36 trails, making it unique among trails in the Peavy Arboretum area.

The trail has a mix of character. The trail begins at the end of Dave's with a rolling section that transfers down to a short segment on old forest road. The trail resumes just to the northeast with a climbing section back up onto the ridge, cresting as it crosses Road 560. The next section is a long descent with a mix of flat-to-outsloped long swoop corners and faster sidehill sections with several optional jumps with takeoffs built out of dirt-packed cut-off stumps. The trail crosses Road 543 twice and resumes on a newly-adopted and modified unauthorized trail (known as TNT), characterized by close-in vegetation and tight short turns. Finally it opens up onto a nearly-straight rocky section of old abandoned road bed, ending at Road 540 just to the west of Calloway Creek trail.

Combined with Dave's and Vineyard mountain, this trail provides multiuse trail access between Peavy Arboretum and Lewisburg Saddle. Nearly all of that is natural-tread (dirt) single track trail.

OSU has officially marked this trail as not to be ridden when travel on the trail disturbs the trail tread.

Access Info

Access the top of this trail where Dave's ends on Road 582. This trail also crosses Road 560 and Road 543. Access the bottom of this trail on Road 540.

Local Trail Association
More Stats for Bonzai multi-use trail trail
  • Altitude change
    -438 ft
  • Altitude min
    557 ft
  • Altitude max
    1,071 ft
  • Altitude start
    996 ft
  • Altitude end
    558 ft
  • Grade
    -3.3%
  • Grade max
    -15.1%
  • Grade min
    16.4%
  • Distance climb
    2,917 ft
  • Distance down
    2 miles
  • Distance flat
    804 ft
  • Avg time
    00:21:55
  • Avg reverse time
    00:37:06
  • view trail stats
Status:
on May 10, 2025
Dry
Avg: 3.99 (3 votes)
Your vote: 0

view (507)
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
      Directions to bonzai-506584 trailhead (44.662170, -123.260750)
      update trails status or condition

      Bonzai Trail Reports

      statusdatedescription
      May 10, 2025 @ 9:54am
      May 10, 2025
      Dry. Riding well. Clearcut section is gonna get loose pretty quick.
      Apr 27, 2025 @ 9:24am
      Apr 27, 2025
      Best conditions of the day, but not by a wide margin as everything is awesome.
      Apr 13, 2025 @ 9:24am
      Apr 13, 2025
      All clear. Perfect in the open. Softest towards the end but ok overall.
      Dec 29, 2024 @ 11:23pm
      Dec 29, 2024
      Wet and muddy, but tires don't appear to be leaving ruts. There are a few downed trees throughout the trail and some of them are pretty large.
      Oct 19, 2024 @ 9:25am
      Oct 19, 2024
      reporter Stupendous.
      view all reports »

      Recent Ridelog Activity on Trail

      Past Week
      • 0 rides
      •  
      6 Months
      • 14 rides
      • 12 miles avg distance
      All
      • 88 rides
      • Last: May 11, 2025

      Photos

      more »
      21 |
      Sep 17, 2023 @ 9:04am
      Sep 17, 2023
      14 |
      Aug 21, 2023 @ 9:27am
      Aug 21, 2023
      24 |
      Jan 4, 2023 @ 9:38am
      Jan 4, 2023

      2 Reviews & Comments


      We hope you've been enjoying Trailforks!

      Create a FREE account to view trail comments and much more.

      Videos

      no videos have been added for Bonzai yet, add a video.
      • By oakridge_trails_allianceTF Pro OTA OTA & contributors
      • #506584 - 1,682 views

      You must enter a description before submitting.