South of Olympia near Toutle, the Riverdale Raceway has several tracks including a motocross track, an ATV track, and a peewee track.
To reach Riverdale Raceway from US5, use Exit #49. Head east on Spirit Lake Highway. Continue through the town of Toutle to just past milepost 13. The signs for Riverdale Raceway are on the right.
Overall, Riverdale Raceway is the 37th most popular dirt bike trail of all 38 dirt biking rides in Washington.