4.6
(6855)
17,687
hikers
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
Start point
Parking
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3.02 km
Highlight (Segment) • Trail
Tip by
7.45 km
End point
Parking
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
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Thursday 9 July
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This route was planned by komoot.
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.
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.
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).
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.
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.
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.
Yes, the route also passes through sections of the Diablo Regional Trail, Miwok Trail, and Murphy Meadow Trail.
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.
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.
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.
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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