Rincon Fire Road and Big Rock Hole Trail Loop
Rincon Fire Road and Big Rock Hole Trail Loop
4.6
(3892)
19,057
hikers
01:53
5.90km
240m
Hiking
Hike the easy 3.7-mile Rincon Fire Road and Big Rock Hole Trail Loop through redwoods to a popular river swimming spot.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Train Station
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2.97 km
Highlight • Forest
Tip by
5.90 km
End point
Way Types & Surfaces
Way Types
3.15 km
2.75 km
Surfaces
3.13 km
2.73 km
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Elevation
Highest point (200 m)
Lowest point (30 m)
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Weather
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Today
Sunday 24 May
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10°C
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Additional weather tips
Max wind speed: 11.0 km/h
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This route was planned by komoot.
The Rincon Fire Road and Big Rock Hole Trail Loop is primarily located within Henry Cowell Redwoods State Park. Parking is available at the park's main entrance. There is typically a day-use fee to enter the park.
Yes, as the trail is within Henry Cowell Redwoods State Park, a day-use fee is typically required for vehicle entry. You can find more information on fees and park regulations on the official California State Parks website: ca.gov.
Dogs are generally allowed on paved roads and fire roads within Henry Cowell Redwoods State Park, including Rincon Fire Road, but typically not on unpaved trails like Big Rock Hole Trail. Always check the latest park regulations upon arrival for specific rules regarding pets.
The trail offers a diverse experience throughout the year. Spring and fall provide pleasant temperatures and lush scenery. Summer is ideal for enjoying the Big Rock Hole swimming spot, but river crossings might be more challenging due to higher water levels. Winter can be beautiful with fewer crowds, but trails may be muddy, and river crossings could be colder and deeper.
The terrain varies significantly. Rincon Fire Road is a wide, shaded path through redwood forests. As you descend towards the San Lorenzo River, the path narrows and becomes sandy. Along the river, you'll find sandy clearings and beaches. The Big Rock Hole Trail section can be more challenging, with an elevation gain of nearly 500 feet over about a mile, and involves mandatory river crossings.
A major highlight is the Cathedral Redwoods, offering a serene redwood forest experience. The most notable feature is the Big Rock Hole, a popular swimming spot on the San Lorenzo River, known for its large rock, sandy beaches, and even a rope swing. You'll also encounter diverse riparian ecosystems along the riverbanks.
The river crossings are a significant aspect of this loop and can be challenging. Depending on the time of year and recent rainfall, you may need to rock-hop or wade through water that can reach knee-deep. It's advisable to bring trekking poles for stability and wear water sandals or shoes that can get wet.
Based on average hiking speeds, this loop typically takes around 1 hour and 53 minutes to complete. However, this can vary depending on your pace, how much time you spend at Big Rock Hole, and the conditions of the river crossings.
The initial Rincon Fire Road section is generally easy and suitable for families. However, the overall loop, especially the Big Rock Hole Trail section and the mandatory river crossings, can be moderately to hard. Families with younger children or those less experienced with hiking might find the river crossings and elevation changes challenging. Consider the fitness level of all participants.
Given the varied terrain and river crossings, it's recommended to bring sturdy hiking shoes, water sandals or shoes that can get wet, trekking poles for river crossings, plenty of water, snacks, sun protection, and a swimsuit if you plan to enjoy Big Rock Hole. Always check weather conditions before you go.
Yes, the route incorporates sections of several other trails. You'll be on parts of the Big Rock Hole Trail, Rincon Fire Road, and Rincon. Additionally, the loop briefly touches sections of the Buckeye Trail and the Cowell-Wilder Regional Trail.