Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Routes
Hiking trails & Routes
United States
California
Orange County
Irvine

Mountains to Sea Trail

Moderate

5.0

(3002)

17,256

hikers

Mountains to Sea Trail

02:39

10.3km

50m

Hiking

Embark on a refreshing hike along the Mountains to Sea Trail, a moderate route spanning 6.4 miles (10.3 km). You will gain 157 feet (48 metres) over an estimated 2 hours and 38 minutes, immersing yourself in diverse natural landscapes. As you hike, you will pass through the San Joaquin…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

Get Directions

1

1.93 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

2

5.16 km

View of San Diego Creek

Highlight • Viewpoint

From this viewpoint on the Mountains to Sea Trail, adjacent to Eastbluff Drive, you get a nice view over San Diego Creek. This is a great spot to pause and …

Tip by

3

6.19 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

4

9.51 km

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 …

Tip by

B

10.3 km

End point

Parking

Loading

Way Types & Surfaces

Way Types

9.86 km

367 m

< 100 m

Surfaces

7.00 km

3.19 km

< 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

Saturday 11 July

26°C

18°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

Comments

guide_signup

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

This route was planned by komoot.

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Report restricted access

Frequently Asked Questions

What is the terrain like on the Mountains to Sea Trail?

The trail offers incredibly diverse terrain, reflecting North Carolina's varied landscapes. You'll encounter strenuous mountain sections with significant elevation changes, rocky paths, and forests in the west. As you move east, the Piedmont region features rolling farms, hardwood forests, and greenways along rivers. The easternmost parts traverse coastal swamps, pine forests, and eventually reach lighthouses, sand dunes, and miles of seashore on the Outer Banks.

What are some notable highlights or viewpoints along the route?

The trail offers many scenic spots. On the specific section near San Joaquin Marsh, you can enjoy the San Joaquin Marsh Wildlife Sanctuary, take in a View of San Diego Creek, and visit an Estuary wildlife observation area. Further along, there are also beautiful Upper Newport Bay Ecological Reserve views.

When is the best time of year to hike the Mountains to Sea Trail?

The best time depends on the section you plan to hike. Mountain sections are ideal in late spring, summer, and fall, avoiding heavy snow. Piedmont and coastal sections can be pleasant year-round, though summers can be hot and humid, especially in the east. Spring and fall generally offer the most comfortable temperatures across the entire trail.

Is the Mountains to Sea Trail dog-friendly?

While many sections of the trail are dog-friendly, rules can vary by specific park, preserve, or land management area. It's always best to check local regulations for the particular segment you plan to visit. Generally, dogs should be kept on a leash.

Where can I find parking and access points for the trail?

Access points and parking vary widely along the 1,175-mile trail. Many sections, especially those near towns or state parks, have designated parking areas. For the specific section around San Joaquin Marsh, you'll find parking available at various points near the wildlife sanctuary and ecological reserve. Public transport options may also exist near urban sections.

Do I need any permits or pay entrance fees for the trail?

For most sections of the Mountains to Sea Trail, no specific permits are required for day hiking. However, if you plan to camp in certain wilderness areas or state parks along the route, or access specific attractions, there might be fees or permits necessary. It's advisable to check with the local land management agency for the section you intend to hike.

Are there family-friendly sections on the trail?

Yes, many sections of the trail are suitable for families. The trail intentionally routes through and around towns, incorporating greenways and easier paths. These sections, particularly in the Piedmont and coastal regions, often have manageable distances and less elevation gain, making them ideal for day hikes or family outings.

Does the trail connect with other paths?

Yes, this route integrates with several other trails. You'll find sections that overlap with the

Back Bay Loop Trail

, the

San Diego Creek Bike Trail

, and the

California Mission Trail - stage 03 San Juan Capistrano to Mission San Gabriel Arcangel

. The Mountains to Sea Trail itself covers 99% of this specific route.

What kind of natural features or wildlife can I expect to see?

Given its vast length, the trail showcases incredible natural diversity. In the mountains, expect high peaks, forests of oak, birch, spruce, and fir, cold creeks, and distant waterfalls. The Piedmont offers hardwood forests and river views. Near the coast, you'll find swamps, pine forests, and coastal dunes. Wildlife varies by region but can include deer, various bird species, and aquatic life near marsh and estuary areas like the San Joaquin Marsh Wildlife Sanctuary.

How challenging is the Mountains to Sea Trail?

The difficulty varies significantly. Mountain sections, especially in wilderness areas like Linville Gorge, can be very strenuous with rugged terrain and significant elevation gains, requiring good fitness. Other sections, particularly greenways or paths near towns, are moderate to easy and suitable for casual hikers. Thru-hiking the entire 1,175 miles is a difficult, multi-month endeavor.

Are there amenities or towns accessible from the trail?

Yes, a unique aspect of this trail is its intentional routing through and around towns, especially in the Piedmont region. This allows hikers to access amenities like cafes, pubs, and accommodation, and experience the local culture. This design makes it very convenient for section hiking and resupply.

Nearby routes

Easy

4.7

97

El Moro Canyon Loop Trail

01:35h

5.34km

140m

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

© komoot GmbH

Privacy Policy