Northwest Nitro Nationals (NWNN) is proud to announce the 8th Annual North American Hillclimbers Association (NAHA) Pro Hillclimb Series event held in Sunnyside, WA May 4th-6th, 2018. The NWNN / NAHA Pro Hillclimb Series draws the top pro hillclimb athletes in the world to our venue! This year, top AMA pros from the eastern US will come out to challenge the world's best!
In 2012, 2014, and 2016 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!