Seaview and Big Springs Trail Loop
Seaview and Big Springs Trail Loop
3.5
(24)
28
runners
Seaview and Big Springs Trail Loop
01:27
11.1km
370m
Running
Embark on the difficult Seaview and Big Springs Trail Loop for a vigorous jogging workout. This 6.9-mile (11.1 km) route challenges you with a substantial 1220 feet (372 metres) of elevation gain, typically taking around 1 hour and 26 minutes to complete. You will experience diverse terrain, from rocky stretches and fire roads to winding singletrack paths. The scenery shifts between shaded eucalyptus and pine groves and expansive open hillsides. From vantage points like the Lomas Cantadas summit, you can enjoy sweeping views of the San Francisco skyline, the Bay, and the Golden Gate Bridge.
This loop is situated within Tilden Regional Park, making it easily accessible for your jogging adventure. You will find amenities such as picnic areas and restrooms, often located near the Quarry Picnic Site. Parking is generally available at various trailheads throughout the park. If you plan to bring your dog, you will be pleased to know that off-leash walking is permitted in most areas along the route.
The Seaview and Big Springs Trail Loop is an excellent choice if you are seeking a challenging workout combined with rewarding natural beauty. The varied landscape, including wooded areas and open meadows, provides a dynamic backdrop for your jog. On clear days, the opportunity to see iconic landmarks like Mt. Diablo adds another layer to the experience, making this route a notable option within the region.
Last updated: April 23, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
Get Directions
128 m
Nimitz Way Trailhead — junction of Curran and Inspiration Trails
Highlight • Trail
Tip by
4.93 km
Seaview Trail - Tilden Steamtrains - Redwood Valley Railway
Highlight (Segment) • Trail
Translated by Google •
Tip by
5.41 km
Lomas Cantadas summit - Los Venados & cut to Seaview trail
Highlight • Summit
Tip by
11.1 km
End point
Parking
Way Types & Surfaces
Way Types
6.60 km
2.35 km
986 m
673 m
460 m
< 100 m
Surfaces
7.10 km
2.61 km
958 m
296 m
111 m
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Elevation
Highest point (560 m)
Lowest point (320 m)
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Weather
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Today
Wednesday 6 May
21°C
11°C
0 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
Frequently Asked Questions
What is the terrain like on this jogging loop?
The loop offers diverse terrain, including rocky sections, fire roads, and singletrack paths. You'll jog through wooded areas with eucalyptus and pine groves, as well as open hillsides and meadows. Some parts are shaded, while others are more exposed to the sun. Be mindful of rocky patches, especially on descents.
What kind of views can I expect along the way?
You'll be treated to stunning panoramic views throughout the loop. On clear days, these include sweeping vistas of the San Francisco skyline, the Bay, the Golden Gate Bridge, Mt. Tamalpais, and the San Pablo and Briones Reservoirs, and even Mt. Diablo. You'll also see the beauty of Wildcat Canyon and the East Bay hills.
Is this trail suitable for beginner joggers?
While considered 'moderate' for hiking, this loop presents a good physical challenge for jogging. It has significant uphill climbs and rocky sections that require careful footing. It's rated 'Intermediate' overall and 'Hard' for physical demands for runners, so it might be challenging for absolute beginners.
Where can I park to access the Seaview and Big Springs Trail Loop?
A common starting point for this loop is the Quarry Picnic Site within Tilden Regional Park, which offers parking. You can also access the trail from the Nimitz Way Trailhead, which has its own parking facilities.
Are dogs allowed on this trail?
Yes, the Seaview and Big Springs Trail Loop is dog-friendly. Dogs are generally allowed off-leash in most areas within Tilden Regional Park, but always be sure to check local signage for specific regulations.
Do I need a permit or pay an entrance fee for Tilden Regional Park?
No, there are typically no entrance fees or permits required to access Tilden Regional Park or its trails, including the Seaview and Big Springs Trail Loop. It's part of the East Bay Regional Park District, which generally offers free access.
What is the best time of year to jog this loop?
Spring and fall generally offer the most pleasant conditions with milder temperatures and often clearer views. Spring also brings wildflowers. Summer can be hot and exposed in sections, while winter might bring rain, making some parts muddy or slippery. Always check the weather forecast before you go.
What are some notable points of interest along the route?
Beyond the stunning views, you'll pass by the Nimitz Way Trailhead, sections of the Seaview Trail, and reach the Lomas Cantadas summit, offering expansive vistas. The trail also winds through diverse landscapes, including burned-out tree forests and meadows.
Does this trail connect with other well-known paths?
Yes, the route intersects with several other trails. Significant portions of the loop follow the Bay Area Ridge Trail - 02 - East Bay and the East Bay Skyline National Recreation Trail. You'll also find sections that are part of the Mokelumne Coast to Crest Trail, Seaview Trail, and Lower Big Springs Trail.
Are there amenities like restrooms or water available?
Yes, Tilden Regional Park offers amenities. The Quarry Picnic Site, a common starting point, has picnic areas and restrooms. It's always a good idea to carry enough water for your jog, especially on warmer days, as water sources might not be consistently available directly on the trail.
What wildlife might I see while jogging?
Keep an eye out for various wildlife. You might spot hawks, deer, turkey vultures, and lizards. The diverse habitats along the trail, from wooded areas to open meadows, support a range of species.