more stats
1,253 ft
Distance
-296 ft
Descent
00:01:34
Avg time
-296 ft
Altitude change
880 ft
Altitude min
1,176 ft
Altitude max
1,176 ft
Altitude start
879 ft
Altitude end
-23.6%
Grade
-65.2%
Grade max
-2.8%
Grade min
1,234 ft
Distance down
20 ft
Distance flat
00:01:34
Avg time

Octagon (lower) Details

  • Activities
    • Mountain Bike
    • E-Bike
  • Riding Area
    North Slope Trails
    Olympia, Washington
  • Difficulty Rating
    Double Black Diamond Rate
  • Voted Difficulty
    Black Diamond (2 votes)
  • Local Popularity
    90 in Mountain Biking [+]
    • 95 in E-Biking
  • Global Ranking
    #44516 in Mountain Biking [+]
    • #17924 in E-Biking
  • Trail Type
    Singletrack
  • Bike Type
    DH
  • Physical Rating
    Extreme
  • eBike Allowed
    Yes up to Class 1
  • Year Opened
    2019
  • Land Owner
    WA DNR - Black Hills District

No community description for Octagon (lower) trail has been added yet!

AI Generated Description

Octagon (lower) is a highly rated 1,253 ft popular double black diamond difficulty singletrack trail located near Olympia Washington. This mountain bike primary trail and has a extreme overall physical rating. On average it takes 1 minutes to complete this trail.

Trail Supporters
Local Trail Association
Traditionally Indigenous Territory

Recent Activity on Trail

Past Week
  • 3 rides
  • 18.0 km average
6 Months
  • 35 rides
  • 32.1 km avg distance
All
  • 197 rides
  • Last: Jul 7, 2026
c1c2c3c4
January
February
March
April
May
June
July
August
September
October
November
December
update trails status or condition

Octagon (lower) Trail Reports

statusdatedescription
Apr 5, 2026 @ 10:31pm (America/Los_Angeles)
Apr 5, 2026
Dec 11, 2024 @ 5:37pm
Dec 11, 2024
 Hero dirt!
May 12, 2024 @ 1:34am
May 12, 2024
 Running great!
Mar 16, 2024 @ 10:30pm
Mar 16, 2024
 MINT. New drop built and some more doubles. It’s the faster option from scoby proper
Feb 3, 2024 @ 9:06am
Feb 3, 2024
Still closed as of 2/2/2024
more »
Status:
on Apr 5, 2026
Ideal
Avg: 4.35 (14 votes)
Your vote: 0

view (1,939)
close
  • Basemap  Map 
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
    • Pro
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
Activity Recordings
Trailforks uses anonymized public activity data. ?
Activity Recordings
Trailforks uses anonymized public activity data. ?
Personal Heatmap
▶ Activity Types
all / none
▶ Options
2
Date range month
–
Winter Trails
Warning A routing network for winter maps does not exist. Selecting trails using the winter trails layer has been disabled.
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.
BC Backroad Status

Service Road Atlas is a free to use, community-driven service for viewing and creating reports on the numerous back-country service roads around B.C. and Alberta.

map legend
Slope Aspect
Direction the slope faces
Flat N NE E SE S SW W NW
Trails Deemphasized
Trails are shown in grey.
disable
Only show trails with no bike usage.
Enable
Suggested Layers
Based on selected activity type

    Save the current map location and zoom level as your default home location whenever this page is loaded.

    Save
        Directions to octagon-lower trailhead (47.044490, -123.189700)

        Photos

        8 more »
        311 |
        Jun 6, 2019 @ 11:41am
        Jun 6, 2019
        314 |
        Jun 6, 2019 @ 11:41am
        Jun 6, 2019
        241 |
        Jun 6, 2019 @ 11:41am
        Jun 6, 2019
        325 |
        Jun 6, 2019 @ 11:41am
        Jun 6, 2019

        Videos

        6 more »
        North Slope Trails: Octagon (Again)
        0:28 | 72 | Nov 14, 2025 , Olympia
        Scoby w Octagon - Olympia, WA - MTB Trail...
        3:02 | 121 | Dec 24, 2024 , Olympia
        youtuber North Slope | Washington’s BEST Trail System!
        49:40 | 101 | May 27, 2024 , Olympia
        My ankles were CRYING!
        6:42 | 274 | Nov 19, 2023 , Olympia

        Routes with this trail

        52
        2025 CDC Round #2 North Slope Pro Course
        20 miles • 5,909 ft • 13 •
        96
        2026 CDC North Slope Pro Course
        20 miles • 5,956 ft • 14 • Race •
        122
        2022 CDC: North Slope Enduro - Pro/Exp/HT Archived
        17 miles • 4,994 ft • 14 • Race •
        We are excited to announce the 2022 North Slope Enduro Pro/Exp/HT course at Capitol Forest. The main...

        Trail Products

        3 Reviews & Comments


        We hope you've been enjoying Trailforks!

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

        Create a Free Account

        Nearby Trails

        North Slope Trails

        • By racecascadiaTF Pro FOCF & contributors
        • #181064 - 4,319 views

        Frequently Asked Questions About Octagon (lower)

        ▼ Where is Octagon (lower) located?
        Octagon (lower) is located in North Slope Trails, Olympia, Washington, United States. It is part of the North Slope Trails trail network. The trailhead is located at coordinates 47.04449, -123.1897.
        ▼ How hard is Octagon (lower)?
        Octagon (lower) is rated as Double Black Diamond difficulty. The physical rating is Extreme. The average grade is 23.6%.
        ▼ What is the elevation gain for Octagon (lower)?
        The trail has 90 m of elevation descent. The elevation ranges from 268 m to 358 m.
        ▼ How long is Octagon (lower)?
        Octagon (lower) is 382.0 m long. The trail type is singletrack.

        Hit the Trail

        Open in App

        Get this trail on your phone instantly.
        open trail in app

        Download Trail

        Save to wishlist, Garmin & download.
        save the trail

        Find Related Routes

        Find routes and users activities that include this trail.
        find routes for this trail

        You must enter a description before submitting.