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Routes
Hiking trails & Routes
United States
California
Ventura County
Mira Monte

Allan Jacobs and Chaparral Crest Loop via Lower River Trails

Routes
Hiking trails & Routes
United States
California
Ventura County
Mira Monte

Allan Jacobs and Chaparral Crest Loop via Lower River Trails

Moderate

4.6

(5718)

19,679

hikers

Allan Jacobs and Chaparral Crest Loop via Lower River Trails

03:28

12.6km

220m

Hiking

The Allan Jacobs and Chaparral Crest Loop via Lower River Trails is a moderate hiking route spanning 7.8 miles (12.6 km). You will gain 725 feet (221 metres) in elevation over an estimated 3 hours and 28 minutes. This loop offers a diverse experience within the Ventura River Preserve.

What…

Last updated: March 7, 2026

Waypoints

A

Start point

Parking

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1

2.66 km

Oso Ridge Trail

Highlight (Segment) • Trail

Oso Ridge Trail offers some elevation gain in this well-preserved area; here it is possible to see some wildlife and panoramic views. Come prepared to cross a small creek, which may be high depending on recent precipitation.

Tip by

2

5.16 km

Chaparral Crest Trail

Highlight (Segment) • Trail

Along the Chaparral Creek Trail, you are treated with a panoramic view of the nearby mountains; the trail has one of the best views in the Ventura River Preserve.

Tip by

B

12.6 km

End point

Parking

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Way Types & Surfaces

Way Types

10.2 km

2.17 km

140 m

Surfaces

8.04 km

2.21 km

579 m

140 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

25°C

10°C

0 %

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Max wind speed: 9.0 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 Allan Jacobs and Chaparral Crest Loop?

The Ventura River Preserve offers several access points. A common starting point for loops involving these trails is the Riverview Trailhead. The research also mentions the Oso Trailhead as a starting point for other loops in the area.

Is the Allan Jacobs and Chaparral Crest Loop dog-friendly?

Yes, dogs are allowed on the trails within the Ventura River Preserve, including this loop, provided they are kept on a leash.

What is the best time of year to hike this loop?

Late spring and fall are ideal times to visit. Summers can be particularly hot, and during winter, river crossings might be challenging due to rushing waters.

Are there any permits or entrance fees required for the Ventura River Preserve?

No, there are no permits or entrance fees required to access the trails within the Ventura River Preserve.

What kind of terrain can I expect on this hike?

The loop offers diverse terrain. You'll encounter singletrack trails like the Oso Ridge Trail and Chaparral Crest Trail, which include moderate climbs and descents. The Lower River Trails sections are generally flatter, smoother, and firmer, though some parts can be rocky. The Allan Jacobs Trail features modern climbing turns with berms.

What are the main scenic highlights or viewpoints along the route?

The Allan Jacobs Trail offers great views of the surrounding mountains and Ojai Valley. The Chaparral Crest Trail, running along a ridgeline, provides expansive views of the Ojai Valley and the Topa Topa Bluffs. You'll also pass through chaparral-covered wildland, oak canyons, and riparian areas with a wooden bridge over a seasonal creek.

What wildlife or plants might I see along the way?

The Ventura River Preserve is home to over 300 animal and plant species. You might spot birds of prey soaring overhead, and during wet months, seasonal creeks support frogs, salamanders, and other amphibians. The diverse topography includes oak forests, ridgeline chaparral, meadows with wildflowers, and even an old orange grove.

Does this loop intersect with other well-known paths?

Yes, the route also passes through sections of the Oso Ridge Trail, Lower River Loop Trails, and Chaparral Crest Trail. It also connects with trails like Wills Canyon and Fern Grotto, allowing for various loop configurations.

Is this trail suitable for beginners?

While the overall loop is rated as 'moderate' due to its length and elevation changes, sections like the Lower River Trails are generally flatter and offer an easier experience. The Chaparral Crest Trail includes a fairly steep climb for about half a mile if accessed from Wills Canyon, which can be challenging. Hikers with some experience should find it manageable.

Are there any specific challenges or considerations for this hike?

Summers can be very hot, so it's crucial to carry plenty of water and plan accordingly. During the winter, seasonal river crossings can become challenging due to higher water levels. The Chaparral Crest Trail involves a significant climb, which can be strenuous.

Are there any cafes or coffee shops nearby for a post-hike treat?

Yes, the town of Ojai is close to the Ventura River Preserve and offers various cafes and coffee shops where you can relax after your hike.

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