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Routes
Hiking trails & Routes
United States
California
Orange County
Fountain Valley

Santa Ana River Trail

Hard

4.7

(6133)

17,909

hikers

Santa Ana River Trail

12:17

48.5km

130m

Hiking

Hike the 30.2-mile Santa Ana River Trail, a difficult route with 416 feet of elevation gain, offering diverse scenery from urban to coastal.

Last updated: February 26, 2026

Waypoints

A

Start point

Parking

Get Directions

1

9.84 km

Least Tern Natural Preserve

Highlight • Beach

Least Tern Natural Preserve is a 13-acre patch of shoreline and beach within Huntington State Beach. This area is a documented nesting area for endangered California least terns. The area …

Tip by

2

9.87 km

Least Tern Natural Preserve

Highlight • Beach

Least Tern Natural Preserve is a 13-acre patch of shoreline and beach within Huntington State Beach. This area is a documented nesting area for endangered California least terns. The area …

Tip by

3

42.9 km

Santa Ana River Trail Bridge

Highlight • Bridge

Nice wooden bridge along the Santa Ana River Trail. It takes you over the river and gives you a good view of the water.

Tip by

4

44.8 km

Santa Ana River

Highlight • River

The Santa Ana River is almost 100 miles long. The headwaters are from the San Bernardino Mountains and ends at the coast near Huntington Beach.

Tip by

5

45.1 km

Yorba Regional Park 5k Trail

Highlight • Trail

A section on the 5k trail, where you can make a 5k loop, perfect for those training for their next race.

Tip by

6

45.4 km

Yorba Regional Park ponds

Highlight • Lake

The park has a series of ponds, walking and running trails, bike rentals, volleyball courts and baseball courts.

Tip by

B

48.5 km

End point

Parking

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Way Types & Surfaces

Way Types

47.1 km

794 m

382 m

290 m

Surfaces

30.4 km

13.2 km

3.46 km

1.47 km

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Elevation

Elevation

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

Highest point (100 m)

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Weather

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Today

Wednesday 27 May

20°C

15°C

17 %

Additional weather tips

Max wind speed: 22.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the overall difficulty of hiking the Santa Ana River Trail?

The difficulty of the Santa Ana River Trail varies significantly depending on the section you choose. Many paved portions, especially in Orange County, are considered easy and family-friendly with minimal elevation gain. Other segments, particularly towards the upper reaches or in areas like Riverside or the San Bernardino National Forest, can be moderate due to length or some inclines. The full 48.5 km route listed on komoot is rated as difficult, reflecting its extensive distance.

What kind of terrain can I expect on this trail?

The trail offers diverse terrain. You'll find long stretches of paved path, particularly in Orange County, which are wide and often divided for different users. In other sections, especially towards the upper river or within specific park areas, the surface can be decomposed granite (DG) or natural dirt. Some parts of the riverbed are also channelized with concrete.

Is the Santa Ana River Trail suitable for beginners or families?

Yes, many sections of the trail are very suitable for beginners and families. The paved portions, especially those in Orange County, are generally flat, wide, and offer an easy, accessible experience. These segments are great for a leisurely stroll or a family outing.

Are dogs allowed on the trail?

Yes, dogs are generally allowed on the Santa Ana River Trail. However, they must be kept on a leash at all times. Always be mindful of local regulations and signage, especially when passing through specific park areas or wildlife preserves.

What is the best time of year to hike the Santa Ana River Trail?

The Santa Ana River Trail can be enjoyed year-round, but spring and fall generally offer the most pleasant hiking conditions with milder temperatures. Summer can be very hot, especially in inland sections, so early mornings or late afternoons are recommended. Winter can be cooler, but Southern California's mild climate often makes it suitable for hiking.

What can I see along the route?

The trail offers a variety of scenery and points of interest. You'll pass through urban areas, natural habitats, and parks. Notable highlights include the Least Tern Natural Preserve, the Santa Ana River Trail Bridge, and sections of the Santa Ana River itself. Further along, you can find Yorba Regional Park 5k Trail and the Yorba Regional Park ponds. Towards the coast, you'll find ocean views, and inland, you might see Mount Rubidoux or the Hidden Valley Wildlife Area.

Where can I access the Santa Ana River Trail and find parking?

Access points and parking vary widely along the extensive Santa Ana River Trail, as it spans multiple cities and counties. Many parks and recreational areas along its length offer parking facilities. For specific trailhead access, it's best to consult local park websites or mapping applications for the section you plan to visit, as parking availability can differ.

Are there any permits or entrance fees required to use the trail?

Generally, there are no permits or entrance fees required to access the Santa Ana River Trail itself. However, if you enter specific regional parks or nature centers along the route, some may have their own parking fees or entrance requirements. It's advisable to check with the specific park you plan to visit.

Does the trail intersect other well-known paths?

Yes, the Santa Ana River Trail is a major regional connector. The komoot route primarily follows the "Santa Ana River Bicycle path" for 97% of its length. It also briefly intersects with sections of the "OC Loop" and the "Huntington Beach Bike Trail" near the coast.

What kind of wildlife might I encounter?

The trail passes through various natural habitats, offering opportunities to spot wildlife. In areas like the Hidden Valley Wildlife Area, you might see a variety of birds and even coyotes. Near the coast, birdwatching is popular, especially at preserves like the Least Tern Natural Preserve. The river itself supports various aquatic species.

Is the Santa Ana River Trail a loop trail or out-and-back?

The Santa Ana River Trail is primarily a linear, multi-use path that stretches for many miles. The specific komoot tour provided is an out-and-back route covering a significant portion of the trail. While some smaller sections within parks might form loops, the main trail itself is not a loop.

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