4.5
(9673)
17,370
hikers
01:39
5.82km
140m
Hiking
The Stonegate Loop is an easy 3.6-mile hike in Diablo Foothills Regional Park, offering natural scenery and wildlife viewing.
Last updated: February 26, 2026
Waypoints
Start point
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380 m
Highlight • Natural
Tip by
2.11 km
Highlight • Trail
Tip by
2.91 km
Highlight • Trail
Tip by
4.05 km
Highlight • Lake
Tip by
5.82 km
End point
Way Types & Surfaces
Way Types
5.82 km
Surfaces
4.58 km
1.20 km
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Elevation
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Thursday 25 June
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13°C
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Max wind speed: 19.0 km/h
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This route was planned by komoot.
The Stonegate Loop is an easy hike, approximately 5.8 kilometers (3.6 miles) long. Most hikers can complete it in about 1 hour and 40 minutes, depending on their pace and how often they stop to enjoy the scenery.
This is considered an easy hike, suitable for most fitness levels. The terrain is generally well-maintained, typical of trails within Diablo Foothills Regional Park. You'll encounter a mix of winding paths and natural surfaces, with a moderate elevation gain of about 137 meters (450 feet).
Yes, dogs are generally welcome on trails within Diablo Foothills Regional Park, including the Stonegate Loop. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors.
The Stonegate Loop is located within Diablo Foothills Regional Park. Specific parking information for the trailhead can usually be found on the park's official website or signage upon arrival. It's advisable to check for designated parking areas near the start of the loop.
Diablo Foothills Regional Park may have entrance fees or specific permit requirements, especially for certain activities or group sizes. It's best to check the official East Bay Regional Park District website for the most current information regarding fees and regulations before your visit.
The loop offers a variety of natural features. You'll pass by a Swamp – drinking water for wildlife, a Winding Path in Diablo Foothills Regional Park, and the scenic Twin Ponds. The trail also includes a Foothills Trail and Borges Ranch Trail junction.
The Stonegate Loop can be enjoyed year-round. Spring brings wildflowers and lush greenery, while autumn offers pleasant temperatures and changing foliage. Summers can be warm, so an early morning or late afternoon hike is recommended. Winters are generally mild, but check weather conditions for rain.
Given its 'easy' difficulty rating and moderate length, the Stonegate Loop is generally considered family-friendly. The varied scenery and natural points of interest can make it an engaging experience for children, provided they are comfortable with the distance.
Yes, the route also passes through sections of the Briones to Mt. Diablo Regional Trail, the Diablo Regional Trail, the ADT - California - T - Seg 7, the Mokelumne Coast to Crest Trail, and the Foothills Trail.
As the trail winds through Diablo Foothills Regional Park, you have a good chance of spotting local wildlife. Keep an eye out for various bird species, small mammals like squirrels and rabbits, and potentially deer, especially during quieter times of the day.
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