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  1. #1
    That Waters Guy
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    How many miles of dirt trails are there in the KC park system?

    "200 parks * 300 miles of trails * 26,000 acres of open space"
    is an email tag line for a KC employee.

    I'd be curious if anybody knew the breakout of:
    * paved trails (e.g., Burke-Gilman, Sammamish River Trails)
    * unpaved gravel roadbed (e.g., Snoqualmie Valley Trail)
    * true dirt trails (e.g., Grand Ridge)

    Obviously the Burke-Gilman, East Lake Sammamish Trail and other such trails are a non-trivial bit of mileage of which we should all be proud users.

    OTOH, it's a useful datapoint if the fraction of dirt trails open to MTBers is as painfully small as it is around Issaquah.
    Rolland

  2. #2
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    I think another useful datapoint is the number of miles of trails that have been closed to mountain bikes since 1965 due to the creation of wilderness areas.

    To answer your question, I don't know of an easy way to tell...I'm in the process of mapping all of the trails near Black Diamond but don't know of an easy way to calculate what that total mileage is. I'd sure like to know though.

  3. #3
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    Out of curosity, what dirt trails are open to mountain bikes in Issaquah? I've been trying to update Google maps in that area, and marked all the trails in Cougar and Squak as closed to bikes, plus all the trails in Tiger except for High School Trail and a couple others. I believe Grand Ridge is one, and there are some trails near the high school that I don't know about...

    If you're willing to take the time, please take a look at

    https://maps.google.com/maps?q=issaq...&z=13&lci=bike

    and let me know if there are any obvious problems. One area I've debated about is Lake Sammamish State Park - I've been up there and really can't find those trails and am thinking about taking them off. They sort of exist though so I'm not sure whether they should be there or not.

  4. #4
    That Waters Guy
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    Quote Originally Posted by cycling_engineer View Post
    Out of curosity, what dirt trails are open to mountain bikes in Issaquah?
    You've got it scoped out about right. Grand Ridge and the High School Trail are the only two real single track trails in the Issaquah area open to MTBers.

    The State Park trails do exist, but they're so short as to be meaningless, and I don't think the ones along the creek actually exist, but I haven't been down there since they put that connector in so I may be stale on that.

    The few other trails around the high school are meaningless as well.

    Sigh.
    Rolland

  5. #5
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    I cut thru the state park at times as I live down the road. As stated all short, not much to mention, I bike commute sometimes on a cross setup and will tool thru in the evening as the lightning can be nice in the fall.
    J

  6. #6
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    Quote Originally Posted by cycling_engineer View Post
    Out of curosity, what dirt trails are open to mountain bikes in Issaquah?
    So what's the legend? Bold lines are.... trails/roads you've ridden? And dotted lines? A very obvious area that's not covered is Soaring Eagle, as your map only shows the dirt road that cuts across the park and not any of the singletrack...

  7. #7
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    Bruiser, I wish I had ridden all of the lines. The dark bold lines are trails that have been marked on Google Maps as bicycle routes, the bold green lines are roads that have a separate bicycle path as part of the road.

    Yes, most of the soaring eagle trails are missing. I live down south near the Black Diamond trails. I focus in Maple Valley.

    The map is editable by anyone - think Wikipedia - so it's not just my map, but all of our map. If I ever get up to Soaring Eagle, I'll put those on there.

    You can view it anytime by turning on the bicycle route layer when using maps.google.com, and it's worldwide. Some places like Seattle have a lot more trails than other places that may not be as comfortable with technology.

  8. #8
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    Dirt Singletrack on County/city land off the top of my head.

    Grand Ridge - 10 mi?
    Duthie -7mi
    Soaring Eagle - 8 mi
    Tiger - 11 mi? Soon to be 17+mi
    Hansen Ridge - 5 mi?
    Middle Fork - 12 mi?
    Colonade
    Paradise - 10mi? Snohomish?
    Henry's Ridge - 8mi?
    Taylor Mt - 5mi?
    Tape Worm - 5Mi

    81 miles + new Tiger

    Also Tokul and Tolt development rights are owned by the county so that's another 20 miles.

  9. #9
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    I guess middle fork is DNR.

  10. #10
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    middle fork(snoqualmie)is national forest. Except where it goes by the hot springs that's privetly owned.

  11. #11
    That Waters Guy
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    We the people ... The list of KC soft surface trail mileage

    Quote Originally Posted by Navigator View Post
    Tiger - 11 mi? Soon to be 17+mi
    Hansen Ridge - 5 mi?
    Middle Fork - 12 mi?
    Colonade
    Paradise - 10mi? Snohomish?
    Henry's Ridge - 8mi?
    Taylor Mt - 5mi?
    Tape Worm - 5Mi
    Also Tokul and Tolt development rights are owned by the county so that's another 20 miles.
    Tiger Mountain is State Forest.
    St. Eddies is state park
    Hansen Ridge and MF are both USFS
    Paradise is in Snohomish County.
    Colonade is in Seattle
    Tapework is Puget Power.

    Maybe we could include a tiny fraction of Tolt, but Tokul's right out since you have to buy a Hancock pass.

    So we're down to Duthie, Grand and Henry's Ridges and Taylor mountain.

    Trail mileage from Evergreen where available:

    Trail name
    Mileage
    Duthie
    7
    GR
    7
    Henry's
    14
    Taylor
    12
    Soaring Eagle
    12
    McGarvey / Spring Lake / Lake Desire
    10
    Big Finn Hill
    2
    Ring Hill
    2


    Total
    66


    Woot! that's a grand total of 66 miles of MTB trails. Much better than it used to be, but barely half of what's available to hikers in Issaquah alone.
    Last edited by The Sagebrush Slug; 05-08-2013 at 12:41 PM. Reason: added Soaring Eagle, Desire, and the wee bit at RH & BFH!
    Rolland

  12. #12
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    You are all forgetting the rail trails as well. The SVT, John Wayne, etc.. That's a lot of mileage.

  13. #13
    That Waters Guy
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    Quote Originally Posted by Borneo View Post
    You are all forgetting the rail trails as well. The SVT, John Wayne, etc.. That's a lot of mileage.
    The rail trails are not dirt, and I included them as "unpaved gravel roadbed (e.g., Snoqualmie Valley Trail)" in my original post.

    John Wayne's is also state, not county. To the extent that there is KC park land there, it is strictly off limits to bikes.

    Anyway, the point is to compare hiking trail mileage to mountain biking trail mileage. But you know that, so I'm not sure what the point of either of these posts is.
    Rolland

  14. #14
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    Does to 2 miles at Ring Hill help brings the grand total to 54miles

  15. #15
    I5Troll
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    I did an analysis of trails on public land in King County as part of my UW GIS Cert back in 2006. Would love to do that again -- much has changed and I have sooo much more data now. Don't know when I'll find the time. Attached is an extract of the 2006 report... minus much of the nerd analysis. My fav is the last map... shows trail distribution by user group in the Issy Alps.

    https://dl.dropboxusercontent.com/u/...13-Extract.pdf

  16. #16
    That Waters Guy
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    Quote Originally Posted by faceplant72 View Post
    Does to 2 miles at Ring Hill help brings the grand total to 54miles
    Where / what is Ring Hill?

    But doh!, I forgot Big Finn Hill, that's a mile or two.
    Rolland

  17. #17
    That Waters Guy
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    Strong work, Mike! To answer your question in the doc, Harvey Manning claims that Taylor is part of the Issy Alps:

    Issaquah Alps - Wikipedia, the free encyclopedia
    Rolland

  18. #18
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    Dont forget Spring Lake/Lake Desire/McGarvey Park. 11+ miles there.
    http://your.kingcounty.gov/ftp/gis/w...y_brochure.pdf

    Taylor Mountain is a KC park with 10 miles of singletrack trail, and another 20 miles of logging roads.
    http://your.kingcounty.gov/ftp/gis/W...n_brochure.pdf
    2013 Stumpy Evo
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  19. #19
    That Waters Guy
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    Quote Originally Posted by Mr. Lynch View Post
    Dont forget Spring Lake/Lake Desire/McGarvey Park. 11+ miles there.
    Taylor Mountain is a KC park with 10 miles of singletrack trail, and another 20 miles of logging roads.
    I had Taylor, was missing Lake Desire. I'll add that when I get a chance. Good catch, there, Mr. Lynch!
    Rolland

  20. #20
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    Quote Originally Posted by The Sagebrush Slug View Post
    Where / what is Ring Hill?
    http://your.kingcounty.gov/ftp/gis/W...l_brochure.pdf

    Its about 10 minutes by road North of the East end of the Thriller route.

  21. #21
    That Waters Guy
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    Further research indicates that just under a mile of McGarvey is no-bicycles, cf this picture: http://www.willhiteweb.com/puget_sou...trail_sign.jpg
    Rolland

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