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1.1 miles
Distance
110 ft
Climb
-152 ft
Descent
00:09:47
Avg time
-44 ft
Altitude change
390 ft
Altitude min
440 ft
Altitude max
440 ft
Altitude start
397 ft
Altitude end
-0.7%
Grade
-25%
Grade max
19.5%
Grade min
1,342 ft
Distance climb
1,814 ft
Distance down
2,680 ft
Distance flat
00:09:47
Avg time
Silkworm Details
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Activities
- Mountain Bike
- E-Bike
- Hike
- Trail Running
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Riding AreaTapeworm
Renton, Washington -
Difficulty Rating
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Voted DifficultyGreen (4 votes)
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Local Popularity100 in Mountain Biking [+]
- 90 in E-Biking
- 70 in Trail Running
- 5 in Hiking
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Global Ranking
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Trail TypeSingletrack
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Bike TypeAM, XC
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DirectionOne Direction
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Climb DifficultyGreen
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Physical RatingEasy
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Family FriendlyYes
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Dogs AllowedYes
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eBike AllowedYes up to Class 1
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TTFs on TrailA-Frame, Bridge, Drop, Jump, Gap Jump, Ladder Bridge, Roller Coaster, Skinny, Teeter Totter, Wallride
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Ride in RainYes
Super fun flowy trail with lots of undulating ups and down. Built within a tight space and engineered quite remarkably. Lots of fun wooden features to play on, a couple raised bridges, a medium size drop and a really cool teeter totter to finish things off.
Trail Supporters
- Sponsor
Local Trail Association
-
-
Please consider joining or donating to the local trail association to supportDonate to earn trail karma!
trail development & maintenance.
Traditionally Indigenous Territory
Recent Activity on Trail
Past Week
- 2 rides
- 5 miles average
6 Months
- 113 rides
- 7 miles avg distance
All
- 1,117 rides
- Last: Jun 11, 2026
| c1 | c2 | c3 | c4 |
|---|---|---|---|
January | February | March | April |
May | June | July | August |
September | October | November | December |
Silkworm Trail Reports
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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.
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- popular
- less popular
- not popular
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Max Vehicle Width
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US Cell Coverage
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Activity Recordings
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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
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Slope Aspect
Direction the slope faces
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Directions to silkworm trailhead
(47.471020, -122.193100)
Photos
38 more »
Videos
7 more »
0:23 |
892 |
Dec 15, 2020 , Renton
9:54 |
1224 |
Sep 7, 2019 , Renton
0:12 |
|
Dec 14, 2020 , Renton
0:35 |
799 |
Feb 12, 2012 , Renton
Technical Trail Features (TTF)
- A-Frame
A-Frame - Big Drop Drop
- First Bridge Roller Coaster
- Forgotten Coaster Roller Coaster
- Rock to Skinny Skinny
- Root/Roll Bridge Gap Jump
- Skinny Bridge Ladder Bridge
- Stump Bridge Skinny
- Up and Over Skinny Skinny
- Wall Ride Wallride
- Whale Tail Ladder Bridge
- Worm Bridge Roller Coaster
Routes with this trail
★ 3.0 • 7 miles • 681 ft • 36 • Race •
This is the proposed Timetrail course for 2023.
Trail Products
4 Reviews & Comments
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Frequently Asked Questions About Silkworm
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Where is Silkworm located?
Silkworm is located in Tapeworm, Renton, Washington, United States. It is part of the Tapeworm trail network. The trailhead is located at coordinates 47.47102, -122.1931.
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How hard is Silkworm?
Silkworm is rated as Blue difficulty. The physical rating is Easy. The average grade is 0.7%. The climb difficulty is rated Green.
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What is the elevation gain for Silkworm?
Silkworm has 110 ft of elevation gain. The trail has 152 ft of elevation descent. The elevation ranges from 390 ft to 440 ft.
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Is Silkworm a point to point trail?
Yes, Silkworm is a point to point trail. The direction is One Direction. The trail type is singletrack.
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