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Upper Newport Bay Trail – Back Bay Loop Trail loop from Costa Mesa

Upper Newport Bay Trail – Back Bay Loop Trail loop from Costa Mesa

Easy

2.5

(12)

riders

Upper Newport Bay Trail – Back Bay Loop Trail loop from Costa Mesa

00:51

19.0km

110m

Road cycling

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 12, 2026

Waypoints

Start point

Bus stop

Get Directions

1.03 km

Back Bay Loop Trail — Upper Newport Bay

Highlight (Segment) • Trail

Here you run along a two lane paved multi-use path with views of Newport Bay, San Diego Creek, and the Narrows. There are multiple viewpoints just off the trail as you head south.

Tip by

3.91 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

5.24 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

8.12 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

8.90 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

10.1 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.

Tip by

10.5 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.

Tip by

10.6 km

View of Newport Harbor from Harbor House

Highlight • Viewpoint

The bridge crosses San Diego Creek, providing views of Newport Bay (also known as Newport Harbor). The area is known for its upmarket marinas, along with the Newport Center shopping and entertainment district, overlooking the bay.

Tip by

19.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

13.4 km

2.15 km

2.02 km

1.41 km

Surfaces

11.8 km

7.19 km

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Weather

Today

Wednesday 2 September

26°C

16°C

0 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Upper Newport Bay Trail – Back Bay Loop Trail loop from Costa Mesa

Back Bay Loop Trail — Upper Newport Bay

Back Bay Drive – Upper Newport Bay Ecological Reserve

Upper Newport Bay Trail

Upper Newport Bay Ecological Reserve views

Back Bay Loop Trail

Newport Bay

Newport Bay

View of Newport Harbor from Harbor House

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