Upper Newport Bay Nature Preserve & Ecological Reserve spans over 1,000 acres along Newport Beach‘s coastline, with trails that wind through salt marshes and tidal estuaries. It’s a real working landscape where you’ll see herons, egrets, and other bay wildlife as you walk your leashed dog through the different ecosystems.

The trail system works well for dogs of varying fitness levels. Some paths are flat and easy, while others climb a bit and offer views across the water toward the Newport Peninsula and surrounding neighborhoods. You pass through different habitats—sometimes you’re walking through pickleweed and cordgrass along the water’s edge, then the trail might take you up to higher ground with native shrubs and coastal sage scrub. The variety keeps walks interesting, and the bay breezes help on warm days.

The park opens at 7 a.m. and closes at sunset, which gives you flexibility depending on your schedule. Early morning visits mean fewer crowds and cooler temperatures, plus you have a better chance of spotting wildlife before it gets too hot. Weekday afternoons tend to be quieter than weekends. Bring more water than you think you’ll need—there aren’t many sources along the trails, and with 1,000 acres to explore, you could easily spend two or three hours out there.

The trails are well-maintained and clearly marked, so navigation isn’t complicated. Parking is available near the main entrances, and you’ll find waste stations for dog bags distributed throughout. The place attracts joggers, cyclists, and hikers too, so your dog should be comfortable around other people and activities. Since it’s an ecological reserve, there are some seasonal closures to protect nesting birds, so checking conditions before you go prevents any surprises about which areas are accessible.