Located between Auburn and Lincoln, Hidden Falls Regional Park Phase I (Didion Ranch) opened in October 2006. The 220-acre open space park features seven miles of trails suitable for hiking, running, biking and horseback riding. In addition, visitors can enjoy fishing, picnicking, wildlife viewing, photography and other passive recreational pursuits. A paved, ADA-accessible trail, parking lot, equestrian staging area and restrooms are also available.