Tolt Pipeline Trail is a 11.1 mile moderately trafficked point-to-point trail located near Bothell, Washington that features a great forest setting and is good for all skill levels. The trail is primarily used for hiking, walking, running, and road biking and is accessible year-round. Dogs are also able to use this trail.

Length11.1 miElevation gain1,456 ftRoute typePoint to point
Kid friendlyHikingRoad bikingWalkingRunningDog friendlyForestPartially pavedRails trailsViewsMuddy
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A nice flat, open road for strolling, running, biking etc. Please note, the dirt sections of the trail can get pretty muddy.

Please note portions of this trail are paved and other portions are not. The portions that are not paved may be muddy and difficult to pass on a road bike or with a wheelchair.

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Reviews (183)
Photos (159)
Activities (198)
Completed (298)
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KEN ELLMAKER
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Hiking
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KEN ELLMAKER
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Hiking
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Andres Monterrubio
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KEN ELLMAKER
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Hiking
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KEN ELLMAKER
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Andres Monterrubio
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Hiking
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Rachelle Roldan
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HikingMuddy

Hard to find the trailhead from the park (Blythe Park). Took the trail straight up (killer) and through the woods on the way back down. Nice trail, well maintained. Very muddy but I imagine it’s very nice in the summer or when it hasn’t been raining.

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Andres Monterrubio
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Hiking
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Topher Davis
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Hiking
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p h
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Hiking
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Carly Salerno
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RunningGreat!

Love this trail for running! I’ve done it twice now. It’s a good workout too- very hilly in sections. Well trafficked so I don’t feel scared doing solo! I did a 14 miler out and back a few months back & it was great. Today I did 10 miles on it. Great long run route.

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Eric Onnen
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Hiking
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Donald Haff
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Hiking
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Bola Makari
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Hiking

Great hike. I did it with my 7 year old daughter and she thought it was “fun”. Just the right amount of challenge for a family hike. Nice park at the trail head (Blyth park) where you can play soccer, frisbee, or have a picnic. There is also a nice playground for kids and a covered eating area that you can rent for special events.

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KEN ELLMAKER
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KEN ELLMAKER
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Saydie Bear
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KEN ELLMAKER
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Karen Foster
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Hiking
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Connor Shafer
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Hiking

sooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooo muddy it is imposseble to complete

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Bre Loo
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WalkingGreat!No shade

Nice flat, open road for strolling, running, biking etc. There were quite a few people sharing the space when I was there. The scenery is not an eye sore in any way, but there are definitely more visually appealing hikes and walks around.

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RiKi-OH User
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Running

I tried the trail today starting at it’s western most point at Blyth Park in Bothell. I’m only giving in three stars as it won’t work out as a running course for me because of the very beginning: It is super long and steep, so much so that I’d exhaust any energy getting up it before I could even begin my run. I love trail running and can deal with hills here and there but this was too much for me!

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nate winsberg
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Hiking

muddy , I thought it was 11 miles round-trip but even after dondeling around for a while before I really got started it was about 11 each way

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Rich Delane Willard
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Hiking

Because it's close to where I live I use it frequently as a predictable workout. It's not scenic excepting during snow and even on a starry night. People use it frequently as I do, but it's like a treadmill with good terrain changes.

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Malcolm Nesbitt
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Running

Shoes - Wore the Evo Speedgoat for the second time. No good. Both feet starting to go numb this time.

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Jenifer Lambert
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Running

Not the prettiest, but in good shape and great for running. If you’re just looking for a pretty hike, there are better options but this is great for getting in trail miles. I ran/hiked this today in prep for a trail half marathon. There are some places where you have to zig zag and go on surface streets to regain the trail and directional signs are non existent. This map was super helpful.

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Tiffany Stetson
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Hiking

Convenience makes this hike/walk a no brainer for me. I walk it on a weekly basis. Usually starting in Woodinville at “heart attack hill”. This hill and the one behind Wayne’s Golf Course in Bothell have a pretty steep incline and are a great way to get the heart pumping. I always see other runners, cyclists, horseback riders, etc... but I would never describe the trail as crowded and always feel safe.

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Joseph Skoog
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Running

Very steep right from the beginning, I would suggest tarting a little into the tail on one of the cross roads if you are starting from the east end. And getting across I-405 was a little confusing but all you have to do is follow the power lines to find it. Once you get across the River there are few interruptions and I enjoyed that part much more.

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Kevin Smith
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Hiking

A nice trail for a walk in the morning.

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