Lagoon Valley Regional Park is just off of I-80 with over 470 acres of natural landscape to explore by foot or bike. The suggested route includes low-traffic roadways inside and outside the park and some multi-use trails. If the 9-mile loop down into Fairfield and back sounds daunting, many alternatives weave throughout the park.

• Difficulty: Medium
• Distance: 9 miles
• Type: Loop
• Time: 1 Hour