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Routes
Hiking trails & Routes
United States
California
Contra Costa County

Hardy Canyon Loop

Moderate

4.6

(6855)

17,687

hikers

Hardy Canyon Loop

02:16

7.45km

270m

Hiking

The Hardy Canyon Loop offers a delightful escape into varied landscapes, making it one of the more engaging hiking trails in the region. You'll traverse through open blue oak groves, climb into rolling hills with expansive views of Round Valley, and follow scenic drainages. This moderate 4.6-mile (7.5 km) route,…

Last updated: June 9, 2026

Waypoints

A

Start point

Parking

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1

3.02 km

Hard Canyon Trail

Highlight (Segment) • Trail

Hard Canyon Trail is a nice wide trail that starts as a flat hike, then goes up a hill, from where you get a view above the flat land of …

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7.45 km

End point

Parking

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Way Types & Surfaces

Way Types

5.98 km

1.26 km

141 m

Surfaces

6.67 km

574 m

138 m

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Elevation

Elevation

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Today

Thursday 9 July

36°C

16°C

0 %

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Max wind speed: 12.0 km/h

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Frequently Asked Questions

Where is the trailhead for Hardy Canyon Loop and is parking available?

The Hardy Canyon Loop is located within the Round Valley Regional Preserve in Brentwood, Contra Costa County, California. Parking is typically available at the preserve's main entrance. It's always a good idea to arrive early, especially on weekends, to secure a spot.

How long does it take to hike this loop?

The hike typically takes between 2 to 3 hours to complete. The exact duration can vary based on your pace and how often you stop to enjoy the scenery.

Is the trail suitable for beginners?

The Hardy Canyon Loop is generally considered a moderate hike. While it features varied terrain and some noticeable inclines, it can be manageable for beginners with a reasonable level of fitness. Be prepared for an elevation gain of around 942 to 997 feet (287 to 304 meters).

What is the terrain like on the Hardy Canyon Loop?

The terrain is diverse. It often starts on a relatively flat, wide path before gradually ascending. Much of the climb occurs on shaded singletrack. After reaching a saddle at the highest point, the descent is mostly on open singletrack. You'll encounter groves of blue oaks, expansive open grasslands, and several creeks.

What kind of scenery can I expect on the hike?

You can expect attractive and varied scenery, including groves of blue oaks, open grasslands, and lush riparian landscapes along Marsh Creek and High Creek. From various points, you'll enjoy scenic views of Round Valley, glimpses of the Central Valley, and distant views of Mount Diablo.

Are there any notable viewpoints or landmarks along the route?

Yes, a key highlight is reaching a prominent saddle at the approximate halfway point, which offers expansive and sweeping views of Round Valley and potentially the Los Vaqueros Watershed. The trail itself, particularly the Hard Canyon Trail section, is known as the longest and most scenic singletrack in the region.

Does the loop intersect with other trails?

Yes, the route also passes through sections of the Diablo Regional Trail, Miwok Trail, and Murphy Meadow Trail.

Is Hardy Canyon Loop dog-friendly?

The Round Valley Regional Preserve generally allows dogs, but they must be kept on a leash. Always check the latest park regulations before your visit.

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

Spring is particularly vibrant, with green rolling hills and blooming wildflowers such as hairy vetch and ithurial's spear. The oak groves are lush, making it an ideal time for a visit. Fall and winter can also be pleasant, but summers can be very hot and exposed.

Are there any permits or entrance fees required for hiking in Round Valley Regional Preserve?

Typically, there are no entrance fees for Round Valley Regional Preserve. However, it's always recommended to check the official East Bay Regional Park District website for the most current information regarding any potential fees or permits.

Are there any current trail closures or conditions I should be aware of?

Yes, it's important to note that a section of the Hardy Canyon Trail was closed in January 2023 due to storm damage. Always check the Round Valley Regional Preserve's official website or local park alerts for the most up-to-date trail conditions before heading out.

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