Sycamore Island is a 600-acre recreation area on the San Joaquin River boundary between Fresno and Madera Counties (off Highway 41) offering six miles of trails for walking, biking, horseback riding, and dog walking.

The site is open seven days a week from 6 a. m. to 8:30 p. m. with free admission on weekdays and a $9 vehicle charge on weekends, making it an accessible spot for river access and outdoor recreation.