West of Spokane near Spokane Valley, the Extreme Motorsports has several tracks including a motocross track, a supercross track and an ATV track.
To reach Extreme Motorsports from Spokane on US90, use Exit #227B. Stay on Hwy 2 until your first red light (Hayford), turn right. Continue on Hayford until your next red light(Sprague), turn Left. Follow road until the end. Come through the big blue gates and follow the park road till the end.
Overall, Extreme Motorsports is the 33rd most popular dirt bike trail of all 38 dirt biking rides in Washington.