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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)
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
US Cell Coverage
Legend
Radar Time
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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.
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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.
Only show trails with NO bikes.
Save the current map location and zoom level as your default home location whenever this page is loaded.
SaveMarymoor Park, located on the north end of Lake Sammamish in Redmond, Washington, is King County's largest, oldest, and most popular park, with more than 3 million annual visitors coming to roam its 640 acres. Among recreational activities available are various sports facilities, rock climbing, a 40-acre off-leash dog park and a velodrome. It is also one end of the Sammamish River Trail, a biking and walking trail. In addition, a radio control aircraft flying field and a pet memorial garden are within the park's boundaries.

Links
Activities Click to view
- Hike
8 trails
- Trail Running
8 trails
Region Details
8 hike trails
Region Status
Open as of Mar 3, 2025Hike Stats
- State Ranking
- #6,873
- Trails (view details)
- 8
- Trails Mountain Bike
- 2
- Trails E-Bike
- 1
- Trails Hike
- 8
- Trails Trail Running
- 8
- Total Distance
- 9 miles
- Total Descent Distance
- 2 miles
- Total Descent
- 226 ft
- Total Vertical
- 348 ft
- Reports
- 13
- Ridden Counter
- 13
Popular Marymoor Park Hiking Trails
Recent Trail Reports
status | trail | date | condition | info | user |
---|---|---|---|---|---|
520 Trail | Nov 10, 2024 @ 1:41pm Nov 10, 2024 | Variable | theprofessionaljerry | ||
Marymoor Connector Trail | May 24, 2024 @ 2:45am May 24, 2024 | Wet | lbfatboyslim |
Activity Feed
username | action | type | title | date |
---|---|---|---|---|
theprofessionaljerry | add | report | activity #61611673 | Nov 11, 2024 @ 8:31am Nov 11, 2024 |
Lamar69 | add | report | activity #56863176 | Aug 7, 2024 @ 3:19pm Aug 7, 2024 |
lbfatboyslim | add | report | activity #53090123 | May 24, 2024 @ 4:16pm May 24, 2024 |
lukeyyQrC0 | ridden | trail | activity #52804172 | May 18, 2024 @ 10:55pm May 18, 2024 |
siranachronist | ridden | trail | activity #46661929 and 1 more | Nov 25, 2023 @ 11:05am Nov 25, 2023 |
Nearby Riding Areas
name | distance | ||||
---|---|---|---|---|---|
Nike Park | 2 | 2 | 1.7 km | ||
Hartman Park | 7 | 1 | 1 | 2.1 km | |
Bridle Trails State Park | 2.8 km | ||||
Farrel McWhirter Park | 2.9 km | ||||
Juel Community Park | 1 | 3.1 km |
Activity Type Stats
activitytype | trails | distance | descent | descent distance | total vertical | rating | global rank | state rank | photos | reports | routes | ridelogs |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mountain Bike | 2 | 6 miles | 213 ft | 2 miles | 348 ft | 13 | 1,132 | |||||
E-Bike | 1 | 5 miles | 210 ft | 1 mile | 344 ft | 11 | 110 | |||||
Hike | 8 | 9 miles | 226 ft | 2 miles | 348 ft | #6,873 | 13 | 74 | ||||
Trail Running | 8 | 9 miles | 226 ft | 2 miles | 348 ft | #10,546 | 13 | 199 |
- By chuktA
TRAILFORKS NFTA & contributors
- Admins: EMBA-C2S
- #52007 - 697 views
- marymoor park activity log | embed map of Marymoor Park mountain bike trails | marymoor park mountain biking points of interest
Downloading of trail gps tracks in kml & gpx formats is enabled for Marymoor Park.
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