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Routes
Mountain biking trails
United States
California
Orange County
Newport Beach

Back Bay Loop Trail

Easy

2.8

(14)

65

riders

Back Bay Loop Trail

00:58

17.1km

120m

Mountain biking

Embark on an easy mountain biking adventure around the Upper Newport Bay Nature Preserve. This 10.6-mile (17.1 km) route offers a gentle ride with only 404 feet (123 metres) of elevation gain, making it perfect for a quick 58-minute spin. As you pedal, you will enjoy continuous views of the…

Last updated: April 23, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

4.55 km

Back Bay Loop Trail

Highlight (Segment) • Trail

Paved trail, about 3.5km (or 2.2mi) in length, on the north side of the Upper Newport Bay Nature Preserve. It starts/ends on Irvine Ave and Jamboree, takes you away from the busy roads and offers great views.

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2

9.33 km

Back Bay Loop Trail (eastern section)

Highlight (Segment) • Trail

This eastern section of the Back Bay Loop Trail skirts behind some neighborhoods while following a wetland coastline along San Diego Creek. This section of the trail is quieter than the western part of the path.

Tip by

3

15.3 km

The beach loops all the way around this corner of the bay. There are picnic tables, shaded shelters, and kayak rentals. The secluded nature of this part of the bay makes it ideal for peaceful paddling and water access.

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4

16.7 km

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

B

17.1 km

End point

Bus stop

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Way Types & Surfaces

Way Types

13.3 km

2.76 km

619 m

378 m

< 100 m

Surfaces

11.1 km

5.65 km

402 m

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Elevation

Elevation

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

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Weather

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Today

Wednesday 6 May

19°C

14°C

0 %

Additional weather tips

Max wind speed: 21.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Back Bay Loop Trail?

There are several access points with parking around the Back Bay Loop Trail. Popular starting points include the Newport Dunes Waterfront Resort area or various points along Jamboree Road and University Drive that offer access to the Upper Newport Bay Nature Preserve.

Is the Back Bay Loop Trail suitable for beginner mountain bikers?

Yes, the route is largely considered easy and is very forgiving for newer cyclists. It's accessible to all fitness levels and families, making it a great choice for beginners. While mostly paved, some sections might benefit from a mountain bike for comfort.

What is the terrain like for mountain biking on this route?

The terrain is primarily flat and paved, with some sections on paved streets. There are a couple of slight hills, and one segment includes a narrow, downhill path that can offer a sense of speed. Double-wide sidewalks are also present in certain areas, providing a less congested riding experience.

What kind of scenery and wildlife can I expect to see?

You'll be treated to picturesque scenery encompassing the 1,000-acre Upper Newport Bay Nature Preserve and Ecological Reserve. Expect stunning views of the bay, wetlands, marshes, and surrounding hills. It's a significant habitat for various bird species like herons, egrets, ducks, and shorebirds, making it excellent for wildlife viewing and birdwatching.

Are there any notable points of interest or viewpoints along the way?

Absolutely! The route offers several scenic spots. You can enjoy views of Newport Harbor from Harbor House, and keep an eye out for the Inflatable Whale at Newport Dunes. Castaways Park also provides great panoramic views of the bay and Balboa Peninsula.

What is the best time of year to mountain bike the Back Bay Loop Trail?

Newport Beach generally enjoys mild weather year-round, making the trail enjoyable in most seasons. However, spring and fall often offer the most pleasant temperatures for riding, avoiding the hotter summer days and cooler winter mornings. Early mornings are great for wildlife viewing.

Is the Back Bay Loop Trail dog-friendly?

Yes, the trail is dog-friendly. Dogs are permitted on leashes, so feel free to bring your canine companion along for the ride.

Are there any permits or entrance fees required for the Upper Newport Bay Nature Preserve?

Generally, there are no specific permits or entrance fees required to access the Back Bay Loop Trail or the Upper Newport Bay Nature Preserve for recreational use like mountain biking. However, always check for any updated local regulations before your visit.

Does this route connect to other trails?

Yes, the route connects to other trails and is part of a larger system. It intersects with sections of the San Diego Creek Trail and is also part of the broader Mountains to Sea Trail system, allowing for extended rides if you wish.

Are there amenities like restrooms or picnic areas along the route?

Yes, the trail is well-maintained and features amenities to enhance your experience. You'll find benches, picnic tables, and restrooms conveniently located along the route, as well as interpretive signs providing information about the preserve.

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