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Trail Conditions
- Unknown
- Snow Groomed
- Snow Packed
- Snow Covered
- Snow Cover Inadequate
- 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.
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
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
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.
Only show trails with NO bikes.
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Activities Click to view
- Mountain Bike
91 trails
- Hike
95 trails
- Trail Running
95 trails
Region Details
- 7
- 3
- 67
- 11
- 3
Region Status
Open as of Jun 24, 2022Stats
- Avg Trail Rating
- Trails (view details)
- 96
- Trails Mountain Bike
- 91
- Trails E-Bike
- 28
- Trails Hike
- 95
- Trails Trail Running
- 95
- Total Distance
- 32 miles
- Total Descent
- 2,093 ft
- Total Vertical
- 420 ft
- Highest Trailhead
- 432 ft
- Reports
- 61
- Photos
- 49
- Ridden Counter
- 7,600
Sub Regions
-
North SeaTac Park
- 41
- 4
- 2
-
Seahurst Park
- 2
- 4
-
South Seatac
- 23
- 3
- 1
Popular Seatac Mountain Biking Trails
Seatac Mountain Bike Routes
title | rating | distance |
---|---|---|
Jail Break | 1 mile |
Photos of Seatac Mountain Bike
trail: Space Mountain's Revenge
63 |
Feb 24, 2021 @ 3:25pm
Feb 24, 2021
trail: Space Mountain's Revenge
56 |
Feb 24, 2021 @ 3:24pm
Feb 24, 2021
trail: Space Mountain's Revenge
57 |
Feb 24, 2021 @ 3:24pm
Feb 24, 2021
trail: Space Mountain's Revenge
62 |
Feb 24, 2021 @ 3:24pm
Feb 24, 2021
trail: Daytona
70 |
Jun 26, 2020 @ 2:34pm
Jun 26, 2020
trail: Tub Lake
80 |
Jun 26, 2020 @ 1:26pm
Jun 26, 2020
trail: Tub Lake
111 |
Jun 26, 2020 @ 1:24pm
Jun 26, 2020
trail: SST Ridgeline
281 |
Apr 22, 2020 @ 3:41pm
Apr 22, 2020Videos of Seatac Mountain Bike

trail: Dirt Jumps
0:31 |
281 |
Jul 1, 2015

trail: Dirt Jumps
0:23 |
190 |
Feb 22, 2015

trail: Dirt Jumps
1:30 |
322 |
Oct 21, 2014

trail: Dirt Jumps
0:48 |
311 |
Apr 25, 2014

trail: Dirt Jumps
0:18 |
150 |
Apr 4, 2014

trail: Dirt Jumps
1:35 |
248 |
Oct 7, 2013

trail: Dirt Jumps
0:34 |
406 |
Mar 12, 2013

trail: Dirt Jumps
1:30 |
140 |
Feb 3, 2013
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
Trail | Jun 24, 2022 @ 5:25pm Jun 24, 2022 | Unknown | mjc1970 | ||
Dump Truck Road | Jun 7, 2022 @ 1:28pm Jun 7, 2022 | Ideal | mjc1970 | ||
The Littlest Hobo | Jun 13, 2021 @ 1:16pm Jun 13, 2021 | Dry | shit2323 | ||
No Shirts for Jim | Apr 14, 2021 @ 5:38pm Apr 14, 2021 | Ideal | dhasselfin | ||
Blackberry Alley | Apr 14, 2021 @ 5:38pm Apr 14, 2021 | Ideal | dhasselfin | ||
Russell Hustle | Apr 14, 2021 @ 5:38pm Apr 14, 2021 | Wet | dhasselfin | ||
Trail | Apr 14, 2021 @ 5:38pm Apr 14, 2021 | Ideal | dhasselfin | ||
Trail | Apr 14, 2021 @ 5:38pm Apr 14, 2021 | Ideal | dhasselfin | ||
Trail | Apr 14, 2021 @ 5:38pm Apr 14, 2021 | Ideal | dhasselfin | ||
Lil' Nill's Hill | Apr 14, 2021 @ 5:38pm Apr 14, 2021 | Ideal | dhasselfin |
Activity Feed
username | action | type | title | date | |
---|---|---|---|---|---|
![]() | BarryWalstead | wishlist | trail | Green River Trail | Jan 5, 2023 @ 7:50pm Jan 5, 2023 |
![]() | djtabor | wishlist | trail | Green River Trail (Tukwila North) and 1 more | Dec 20, 2022 @ 6:32pm Dec 20, 2022 |
![]() | iC11s0 | wishlist | trail | Green River Trail | Oct 29, 2022 @ 6:57pm Oct 29, 2022 |
![]() | bH68Wo | wishlist | region | North SeaTac Park | Oct 6, 2022 @ 8:17pm Oct 6, 2022 |
![]() | NathanGAyjh | wishlist | region | South Seatac | Oct 1, 2022 @ 12:48am Oct 1, 2022 |
Recent Comments
username | type | title | comment | date | |
---|---|---|---|---|---|
![]() | trail | Most exciting trail here! | Aug 22, 2022 @ 12:44pm Aug 22, 2022 | ||
![]() | trail | Dry but uninspiring. | Feb 24, 2021 @ 3:26pm Feb 24, 2021 | ||
![]() | trail | Was riding this trail system, happened upon... | Aug 16, 2020 @ 6:07pm Aug 16, 2020 | ||
![]() | trail | This access trail is locked. The whole area... | Aug 30, 2018 @ 7:38pm Aug 30, 2018 |
Local Badges
-
Big Ride 30k759 awarded -
Climbing 10k Badge22 awarded -
10 Green Trails169 awarded -
Epic Ride Descent 2k5 awarded -
Climbing 100k Badge0 awarded -
Descent 10k Badge22 awarded
Bike & Skill Parks
name | type | city | rating |
---|---|---|---|
North SeaTac BMX | skill park | Seatac |
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 91 | 31 miles | 1,982 ft | 8 miles | 420 ft | #624 | #334 | 49 | 61 | 1 | 6,662 | |
E-Bike | 28 | 5 miles | 174 ft | 1 mile | 315 ft | 46 | 143 | |||||
Hike | 95 | 32 miles | 2,067 ft | 8 miles | 420 ft | #468 | #283 | 58 | 1 | 113 | ||
Trail Running | 95 | 32 miles | 2,067 ft | 8 miles | 420 ft | #468 | #284 | 58 | 174 |
- By jmahler
TRAILFORKS & contributors
- Admins: EMBA, NMA, codyolsen, boxxerace, pawalker, jmahler, Alexbeard9, sanfret, mattcr
- #13188 - 1,923 views
- seatac activity log | embed map of Seatac mountain bike trails | seatac mountain biking points of interest
Downloading of trail gps tracks in kml & gpx formats is enabled for Seatac.
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