South of Seattle near Cinebar, the Burnt Ridge MX Park has a motocross track and a peewee track.
To reach Burnt Ridge MX Park from US5, use Exit #71. Head east on Highway 508 for 16 miles. Turn right on Johnson Road, go 2 miles to track. Track entrance is just after Burnt Ridge Road.
Overall, Burnt Ridge Motocross Park is the 26th most popular dirt bike trail of all 38 dirt biking rides in Washington.