Upper Newport Bay Trail – Back Bay Loop Trail loop from University of California, Irvine

Upper Newport Bay Trail – Back Bay Loop Trail loop from University of California, Irvine

Moderate

4.8

(8662)

15,193

riders

Upper Newport Bay Trail – Back Bay Loop Trail loop from University of California, Irvine

02:13

46.5km

530m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is right next to a parking lot.

Last updated: November 6, 2026

Waypoints

Start point

Parking

Get Directions

2.07 km

San Joaquin Marsh Wildlife Sanctuary

Highlight • Natural

San Joaquin Marsh Wildlife Sanctuary, located in Irvine, encompasses 300 acres of restored coastal freshwater wetlands. A haven for birdwatchers, it hosts diverse bird species and offers educational programs.

Tip by

5.22 km

Back Bay Drive – Upper Newport Bay Ecological Reserve

Highlight (Segment) • Trail

Road with little traffic running by (through) the Upper Newport Ecological Reserve. Very nice to ride.

Tip by

6.55 km

Upper Newport Bay Trail

Highlight (Segment) • Cycleway

The trail here is paved and designed specifically for foot traffic and bikes with two separate cycling lanes. You get great views across Newport Bay to the ecological reserve as you pass by a couple small parks and vista points.

Tip by

9.43 km

Upper Newport Bay Ecological Reserve views

Highlight • Viewpoint

Cycling along Black Bay Drive, overlooking Upper Newport Bay Ecological Reserve, unveils stunning vistas of the estuary. Riders may spot diverse bird species like egrets and herons, while enjoying panoramic views of wetlands and coastal landscapes. The reserve's rich biodiversity enhances the cycling experience with nature's beauty.

Tip by

10.2 km

Back Bay Loop Trail

Highlight (Segment) • Trail

The Back Bay Loop Trail offers a 10.5-mile scenic route around Upper Newport Bay. The well-signed trail passes through landmarks like Upper Castaways Park, Peter and Mary Muth Interpretive Center, and the Back Bay Science Center at Shellmaker Island. It also connects with the 22-mile Mountains to Sea Trail, stretching from Newport Bay to Weir Canyon. The trail has multiple entry points and provides opportunities to explore local nature and educational sites. Back Bay Drive, shared by vehicles, cyclists, and pedestrians.

Tip by

11.6 km

Newport Bay

Highlight • Beach

Newport Bay is also known as Newport Harbor. It is a picturesque coastal inlet in Southern California and famous for its upscale waterfront homes, marinas, and vibrant boating scene.

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29.6 km

Crystal Cove State Park

Highlight • Beach

Crystal Cove State Park, captivates visitors with its pristine beaches, tide pools, and rugged coastal bluffs. A haven for outdoor enthusiasts, it offers hiking trails, historical cottages, and stunning ocean views, making it a cherished natural escape for anyone.

Tip by

46.5 km

End point

Parking

Way Types & Surfaces

Way Types