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Level: Intermediate
Length: 10 mi (16.1 km)
Surface: Singletrack
Configuration: Network
Elevation: +462/ -449 ft
Total: 74 riders

Mountain Biking Japanese Gulch

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#35 of 1,207 mountain bike trails in Washington
#1,978 in the world

Single track on both sides of the railroad track. On the right near the top there are several significant jumps and drops. This tends to get sloppy in the winter, so expect some mud. It is in close and a good way to burn a couple of hours. Mostly up hill on the way out and a more enjoyable trip back.

First added by DavidWald on Feb 16, 2006. Last updated May 3, 2020. → add an update
Before you go
  • Drinking water: unknown
  • Lift service: unknown
  • Night riding: unknown
  • Pump track: unknown
  • Restrooms: unknown
  • Fat bike grooming: unknown
  • E-bikes allowed: unknown
  • Fee required: unknown
This trail information is user-generated. Help improve this information by suggesting a correction.
Getting there
From I-5 - Take the 41st street exit. Head west the road will eventually turn into Mukilteo Blvd. Follow Mukilteo Blvd. for several miles into Mukilteo. Take the dirt road on the left after the bridge over the train tracks. This is easy to miss!
System trails (3)
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Japanese Gulch Trail map

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dohdoubled (on May 10, 2020)
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Trail conditions

Wet (on May 23, 2020)
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Mountain Bike Trails Near Mukilteo, Washington

| 1.8 mi
| 0.9 mi
Intermediate | 4.5 mi

Rider questions

Q: Are dogs allowed off leash on these trails?
A: Officially the answer is no. But if the dog is well trained, friendly with other people and dogs no one will mind.

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  • dohdoubled

    First left turn after exiting trail head dead ends

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  • tmdenkinger

    Trails are really getting overgrown anywhere its flat on both sides of the trail. Downhill and off camber side hills are relatively open. Very little mud now so if you don't mind nettles or wearing full leg/arm coverage the trails are about as dry as they get and fast. Boardwalk bridge on west side is repaired.

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  • aisling

    Good cross country area. Not technically difficult but if you ride up the western side then it is strenuous. This is a classic multiuse trail that has multiple spur trails to keep you busy for a long time. If you love flowy trails that are crafted for bikes, this isn't your trail. But if you want a flavor of standard beautiful NW trail system, then enjoy. If you are stuck in one of those long ferry lines and have another driver... hop on down and enjoy it.

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  • Mr.mazzo

    If you start at the dog park don't make my mistake, stick left on the trails, or better yet start on the *technically* off limits train track side to jump in. Swing right and you'll spend a lot of time fighting the uphill portion that's steep as most step ups.
    Fanatically pumpy riding at the top that entertains for days, but watch out for snipers that can throw you flat!
    Lots of nettles so high socks are recommended

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  • AK_Dan

    Traveling N on 525 towards Mukilteo turn right on 5 th street and travel just about one mile. Trailhead is signed and will be just off road on right side.

    Nice little trail system. More trails and more fun than I anticipated, I rode almost 12 miles and never really hit the same route twice. All the trails are basically within a box with a canyon/creek/RR tracks running through it N to S. None of the trails are marked however I don’t see any way you could get lost here, parking at the main trailhead puts you at the bottom of the hill and the south end of the gulch next to the highway. So finding your way back is as simple as heading down hill.
    A lot of trails are cut into the steep sides of the canyon and are real prone to erosion. However most of the trails weren’t as wet as I expected- not to say there wasn’t some bad spots, plenty of them, but there is also evidence people have been up there working on some of the worst ones. Weekends see lots of people w/their dogs so share the trails.
    * Review edited 1/15/2011

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  • berd14

    just did this trail again. there's much going on both sides of the tracks. there are many spots to start, but recently i got into starting at the 44th ave w/76th st sw intersection, heading down into the cul-de-sac and riding around there (west side of tracks), then hike back up the tracks, and hop in on the left right before you get to boeing (east side of the tracks) then ride it all the way back around and down. not very hard stuff but fun little ride after work... that's for sure.

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  • gorlyfuzz

    did the trail on june 26 2010 and found it to have a nice size hill with mudd to start. Once to the top it became a really fun easy trail for a new person to the sport. there's two areas with out of this world jumps (to big for a beginner). Ride it!!!!!!!!!

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  • jmarshall

    Still muddy in some spots. For a newbie, it wasn't to hard, there are some technical areas, but for the most part avoidable on the upper hill on the south side of the tracks there is a cool track of monster jumps (just looked, didn't try them) that someone spent a ton of time making. On that side we found that the trails all seem to lead in loops and had a great time riding. We parked in the Jap Gulch gravel area then rode up the tracks for about a 1/2 mile. Take the trail on the south and head across the creek and have a go(steep hill).

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  • berd14

    the trial can get really sloppy after a day of rain, or even days after a day of rain. There are some technical parts of this ride and some easier ones too. i like to start up by the boeing activity center then work may way around. coming back up sucks, but it's worth the ride. keep your head up!

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