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Tapeworm Trail Network

Silkworm trail

Key Info

2-3 of 5 (technical difficulty)
2 of 5 (physical difficulty)
NW Washington


8 miles total
100' elevation gain
90% single track
10% fire road
0% paved
47.47284417 lat.
-122.1953917 long.


Skill builder ride, nice quick after-work destination. It takes 1-2 hours to ride everything. This is a small system of trails that are tightly wound to make the most of a power utility company lot. There are now six trails: Crop Circles (only 1/2 can be ridden), The Tapeworm, Parasite, Mr. DNA, The Silkworm and BermSled. The CycoActive map is out of date and currently only lists a few of the trails, but it will get you started in the right direction. This is a trashy section of young deciduous trees, don't expect nice forest (this area is great night riding, just be cautious of low hanging branches).

  • Bermsled: Flowy downhill with berms and jumps
  • Mr. DNA: Technical with roots and rocks
  • Parasite: Technical with sharp turns, roots, and log piles, many short steep ups and downs
  • Tapeworm: Technical with structures, roots, drops, short uphills and log piles.
  • Cropcircles: Maze-Like ride
  • Silkworm: Flowy XC with optional drops, structures, and berms
  • Main Path: Fire road/singletrack, easy, not hard features

Well draining area that can be ridden year round. Minimal mud on Silkworm, but the lower Tapeworm area can get muddy in the lower areas. New bridges are being installed to remedy this though! 

There are several options to have a beer and some food after a ride. Many fastfood options along Benson, along with an Applebees and McDondalds nearby in downtown Renton near Uwajimaya. 375 S Grady Way Renton(425) 687-1200.

If you're looking for good food (primarily pub grub) and an EXCELLENT selection of post-ride brews, try the Dog and Pony. 351 Park Ave N, Renton, WA 98057 (425) 254-8080, very limited parking. Really nice outdoor area to sit on a warm sunny day. Friendly staff, and lots of locals who love good micros.

Another good option is A Terrible Beauty - Irish pub that changes names with great regularity, but has really good food now (excellent Reuben sandwich) and a nice beer selection (although not quite as varied as the Dog and Pony). Located near the Renton transit station in downtown Renton (201 Williams Ave. S., Renton, WA 98057). They have their own parking lot and plenty of on-street parking, too. Often have live music. (425) 227-3396

And yet another option at The Landing in north Renton (a couple of exits north on I-405.. less than 10 minutes away) is The Rock. Really good pizza and their beers are pretty good (their own house brews, but not much else beerwise, but a full bar). 830 N 10th Ste A Renton WA 98055. 425.255.0334

And other places to eat at The Landing include Red Robin and other smaller places (Thai, Gyros, Chinese, etc).

Close bike shops: G.H.Y. Bikes is closest, located at 909 South 3rd Street, Renton, 98057 425-227-4825. Center Cycle isn't as close, but larger shop (big Specialized dealer), located at 3950 Lind Ave SW, Renton, WA 98057 Phone: 425-228-3661. Not far from the IKEA.