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Routes
Running trails & routes
United States
California
Orange County
Newport Beach

Back Bay Loop Trail

Hard

3.5

(27)

29

runners

Back Bay Loop Trail

01:44

16.4km

140m

Running

Encircling the Upper Newport Bay Nature Preserve, the Back Bay Loop Trail offers a challenging jogging experience. This difficult route covers 10.2 miles (16.4 km) and involves a total elevation gain of 445 feet (136 metres), typically taking about 1 hour and 43 minutes to complete. As you jog, you…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.68 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

2

7.62 km

These trails sit atop a bluff overlooking Upper Newport Bay, offering beautiful views across Upper Newport Bay Nature Preserve. There's also an interpretive nature center where you can learn about …

Tip by

3

8.38 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

4

12.3 km

Estuary wildlife observation area

Highlight • Viewpoint

Take in some pretty sweet views across San Diego Creek along this lovely section of low traffic / no traffic MUP connecting Newport Bay to Irvine.

Tip by

5

13.0 km

Back Bay Drive

Highlight (Segment) • Cycleway

This is a paved three lane multi-use path with a lane specifically for foot traffic. You get fantastic views of the creek and Newport Bay as you run to the …

Tip by

B

16.4 km

End point

Parking

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Way Types & Surfaces

Way Types

11.7 km

1.86 km

1.21 km

855 m

781 m

Surfaces

7.44 km

7.08 km

1.55 km

325 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

Thursday 7 May

20°C

13°C

0 %

Additional weather tips

Max wind speed: 12.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to jog the Back Bay Loop Trail?

The full loop is approximately 16.4 km (10.5 miles) long. For an average jogger, it takes about 1 hour and 45 minutes to complete the entire route, though this can vary based on your pace and any stops you make.

What is the terrain like on the Back Bay Loop Trail?

The trail is predominantly flat and paved, making it ideal for jogging. Some sections also offer dirt paths running alongside the main paved route, providing variety. While mostly flat, there are a few slight hills and bridge crossings that add minor variations to the elevation.

Is the Back Bay Loop Trail suitable for beginner joggers?

Yes, the trail is widely considered accessible and suitable for all fitness levels, including beginners. Its mostly flat profile and well-maintained surfaces make for a manageable and enjoyable jogging experience.

Are dogs allowed on the Back Bay Loop Trail?

Yes, dogs are generally allowed on the Back Bay Loop Trail. However, they must be kept on a leash at all times to protect the local wildlife and ensure a pleasant experience for all trail users. Please remember to clean up after your pet.

What are the best times of year to jog the Back Bay Loop Trail?

The trail is enjoyable year-round, but spring and fall offer the most pleasant jogging conditions with milder temperatures. Early mornings or late afternoons are also recommended during summer to avoid the midday heat. These times also often provide excellent opportunities for wildlife viewing.

Are there any permits or entrance fees required to access the Upper Newport Bay Nature Preserve or the trail?

No, there are no permits or entrance fees required to access the Upper Newport Bay Nature Preserve or to jog the Back Bay Loop Trail. It is freely accessible to the public.

Where can I park when visiting the Back Bay Loop Trail?

There are multiple access points and available parking areas along the trail. A popular starting point with parking is near the Peter and Mary Muth Interpretive Center trails. Other parking options can be found at various points around the Upper Newport Bay.

What kind of wildlife can I expect to see along the trail?

The Upper Newport Bay Nature Preserve is a significant habitat for diverse bird species. Joggers often spot herons, egrets, ducks, and various shorebirds. The Estuary wildlife observation area is a particularly good spot for birdwatching.

What points of interest or scenic views can I find along the route?

The trail offers stunning views of Newport Bay, expansive wetlands, and marshes. Key points of interest include the Peter and Mary Muth Interpretive Center trails, the Back Bay Science Center at Shellmaker Island, Upper Castaways Park, and Big Canyon. Informative signs along the way provide educational insights into the local environment.

Does the Back Bay Loop Trail connect with other paths?

Yes, the route also passes through sections of the Mountains to Sea Trail and the San Diego Creek Bike Trail, offering opportunities for longer excursions or exploring interconnected paths.

Are there restrooms or water fountains available along the trail?

Yes, convenient amenities such as benches, picnic tables, and restrooms are available at various points along the route, particularly near major access points and interpretive centers. It's still advisable to carry your own water, especially on warmer days.

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