Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Routes
Running trails & routes
United States
California
Orange County
Irvine

Back Bay Loop Trail

Hard

4.7

(1240)

19,438

runners

Back Bay Loop Trail

03:12

30.6km

180m

Running

Embark on a challenging jogging experience along the Back Bay Loop Trail, a difficult route spanning 19.0 miles (30.6 km). You will gain 601 feet (183 metres) in elevation, with most people completing the loop in about 3 hours and 11 minutes. As you jog, you'll find yourself surrounded by…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

103 m

Colonel Bill Barber Marine Corps Memorial Park

Highlight • Rest Area

The park has restrooms, sports fields, parking, and access to the Sand Diego Creek Trail. From here you can run toward Woodbridge, along the creek to the ocean, or north along the bike path.

Tip by

2

3.92 km

San Diego Bike Trail (western section)

Highlight (Segment) • Cycleway

This section of the San Diego Bike Trail runs from Jamboree Rd to Harvard Ave, and is about 4 miles (6.5km) in length. It connects the Back Bay Drive and …

Tip by

3

4.74 km

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

4

9.21 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

10.4 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

14.4 km

Newport Bay

Lake

7

14.8 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

20.2 km

Viewpoint

Viewpoint

9

20.6 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

10

22.2 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

B

30.6 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

14.8 km

12.7 km

2.35 km

583 m

184 m

Surfaces

19.4 km

7.91 km

2.15 km

501 m

< 100 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

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

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Today

Wednesday 6 May

23°C

11°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Frequently Asked Questions

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

The trail is primarily composed of flat, paved paths, making it very accessible for jogging. While most of the loop is paved, some sections run alongside dirt paths, offering a slight variation. It is largely considered flat, with only a couple of slight hills mentioned in some areas.

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

The full loop is approximately 10.5 miles (17 km) long. For jogging, it can take around 1 hour and 50 minutes to complete, depending on your pace and fitness level. Shorter segments can also be enjoyed if you prefer a quicker run.

Is the Back Bay Loop Trail suitable for beginners?

Yes, the trail is generally considered easy and relatively flat, making it suitable for joggers of all fitness levels, including beginners. Its mostly flat nature allows for a leisurely run or a more strenuous workout, depending on your preference.

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

There are multiple access points with parking available along the route. Good options include parking at the Peter and Mary Muth Interpretive Center and Big Canyon. These locations provide convenient starting points for your jog.

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

Joggers are treated to diverse and stunning scenery as the trail encircles the Upper Newport Bay Nature Preserve. You'll enjoy views of the bay, coastal wetlands, marshes, and surrounding hills. It's an ecological haven, perfect for birdwatching, with species like herons, egrets, ducks, and various shorebirds commonly spotted. Informative signs along the trail also provide insights into the local ecosystem.

Are there any fees or special regulations for the Upper Newport Bay Nature Preserve?

The Upper Newport Bay Nature Preserve, which the trail encircles, generally does not have an entrance fee for public access. However, it's always a good idea to check the official Newport Beach city website for any specific regulations or temporary closures, especially concerning activities within the preserve itself. You can find more information on newportbeachca.gov.

Is the Back Bay Loop Trail dog-friendly?

While specific dog regulations can vary, many sections of the Back Bay Loop Trail are generally dog-friendly, provided dogs are kept on a leash. However, some sensitive wildlife areas within the Upper Newport Bay Nature Preserve might have restrictions. It's best to look for signage at trailheads or consult the official park website for the most current rules regarding pets.

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

The trail is enjoyable year-round due to Southern California's mild climate. However, spring and fall offer the most pleasant temperatures for jogging, avoiding the hotter summer days. These seasons also provide excellent opportunities for birdwatching as migratory species pass through the preserve.

Are there restrooms or other amenities along the route?

Yes, the trail features convenient amenities to enhance your experience. You'll find benches, picnic tables, and restrooms located at various points along the route, making it comfortable for longer jogs or family outings.

Does the trail connect to other paths?

Yes, the Back Bay Loop Trail connects to other notable paths. Most significantly, it connects to the 22-mile Mountains to Sea Trail. The route also passes through sections of the Back Bay Loop Trail, California Mission Trail - stage 03 San Juan Capistrano to Mission San Gabriel Arcangel, San Diego Creek Bike Trail, and Peters Canyon Bikeway.

What are some notable points of interest along the way?

As you jog, you'll pass several interesting spots. Keep an eye out for the Colonel Bill Barber Marine Corps Memorial Park, the San Joaquin Marsh Wildlife Sanctuary, and the Estuary wildlife observation area. You'll also be on Back Bay Drive for a portion, and can explore the Peter and Mary Muth Interpretive Center trails.

Nearby routes

Moderate

228

Newport Pier to Balboa Pier

00:56h

8.22km

10m

Explore
RoutesRoute plannerFeaturesHikesMTB TrailsRoad cycling routesBikepackingSitemap
Download the app
Follow Us on Socials

© komoot GmbH

Privacy Policy