Northwest Nitro Nationals (NWNN) is proud to announce the 5th Annual North American Hillclimbers Association (NAHA) Pro Hillclimb Series event held in Sunnyside, WA May 8th-10th, 2015.  The NWNN / NAHA Pro Hillclimb Series draws the top pro hillclimb athletes in the world to our venue!   Round 2 (out of 6) of the NAHA pro events nationwide this year.

In 2014 the NAHA voted Northwest Nitro Nationals "Venue of the Year!" Our ever evolving hill design, expansive parking, camping and vending area allows for continued growth - and of course, we thank you for your support!

We're also round 1 of the Northwest Hillclimb Series for our amateur and semi-pro classes!



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can someone get me in touch with anyone who runs a street bike motor on NITRO ... See MoreSee Less

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For everyone that seems to be having trouble finding the sign ups go to the website go to the event info page and you can either click on the link for online or you can click on the picture of the mail in form. Thank you
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I am looking for someone in the Boise area that can hook up with Ron Dillon and bring up my trophy plaques. 2 weekend passes and camping for someone that can get them to me. Thanks ... See MoreSee Less

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