Sequoia National Park’s Tunnel Log on Crescent Meadow Road is a unique attraction where visitors can drive through a fallen sequoia tree. Located in the Giant Forest area, this iconic feature offers a memorable experience for park-goers. Crescent Meadow Road, open seasonally, provides access to Tunnel Log and other notable sites like Moro Rock and the Giant Forest Museum. The area combines natural wonders with accessibility, making it a popular destination for tourists exploring Sequoia National Park.
What is the History of Tunnel Log?

Tunnel Log, a fallen sequoia tree on Crescent Meadow Road in Sequoia National Park, has a fascinating history:
- The tree fell naturally in 1937 due to natural causes
- It measured 275 feet tall and 21 feet in diameter
- The tunnel was cut through the log in 1938 to allow vehicles to pass
- The opening is 8 feet high and 17 feet wide
This unique feature quickly became a popular attraction, allowing visitors to experience driving through a giant sequoia tree.
How Can Visitors Access Tunnel Log?

Accessing Tunnel Log requires careful planning and awareness of road conditions. Here are the main routes and considerations:
- From the North:
- Take California State Route 99 North to California State Route 198 East
- Drive 60 miles on California State Route 198 (Generals Highway)
- Turn right onto Crescent Meadow Road
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Drive 1.6 miles to reach Tunnel Log
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From the South:
- Take California State Highway 99 South to California State Route 180 East
- Transfer to California State Route 198 West
- Drive 29 miles on California State Route 198 (Generals Highway)
- Turn left onto Crescent Meadow Road
- Drive 1.6 miles to reach Tunnel Log
Important Note: Crescent Meadow Road is typically open from late May to early November, depending on snow conditions. During peak summer months, the road may be closed to private vehicles on weekends and holidays.
What Are the Best Times to Visit Tunnel Log?
The ideal time to visit Tunnel Log depends on your preferences and priorities:
Season | Advantages | Considerations |
---|---|---|
Spring | Wildflowers, comfortable temperatures, fewer crowds | Some roads may still be closed due to snow |
Summer | All roads open, full access to park amenities | Busiest season, potential for crowds |
Fall | Cooler weather, smaller crowds, peaceful atmosphere | Some facilities may begin to close for winter |
Winter | Unique snow-covered landscapes | Limited access, many roads closed |
For the best experience at Tunnel Log, consider visiting during weekdays in late spring or early fall when crowds are smaller and weather conditions are favorable.
What Activities Are Available Near Tunnel Log?
Visitors to Tunnel Log can enjoy a variety of activities in the surrounding area:
- Hiking:
- Moro Rock Trail: A steep but rewarding climb with panoramic views
- Giant Forest Trails: Explore groves of massive sequoia trees
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Hazelwood Nature Loop: An easy, family-friendly hike starting near Tunnel Log
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Photography:
- Capture unique shots of vehicles passing through Tunnel Log
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Document the massive sequoia trees in the Giant Forest
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Scenic Drives:
- Continue along Crescent Meadow Road for more beautiful forest views
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Take the Generals Highway for a longer scenic route through the park
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Wildlife Viewing:
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Keep an eye out for black bears, mule deer, and various bird species
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Picnicking:
- Enjoy a meal at nearby picnic areas in the Giant Forest
What Facilities Are Available Near Tunnel Log?
While Tunnel Log itself is a natural feature without direct amenities, nearby facilities include:
- Parking area close to Tunnel Log
- Restrooms at the Giant Forest Museum and Big Trees Trailhead
- Picnic tables in the Giant Forest area
- Water fountains at major trailheads and visitor centers
- Giant Forest Museum for educational exhibits and information
What Are the Rules and Regulations for Visiting Tunnel Log?
When visiting Tunnel Log and the surrounding area, please adhere to the following guidelines:
- Stay on designated paths to protect sequoia root systems
- Keep pets on a leash no longer than 6 feet (allowed only in vehicles and on paved roads)
- Do not climb on or carve into trees
- Pack out all trash
- Observe wildlife from a safe distance
- Follow all posted speed limits and traffic signs
- Use designated parking areas only
How Can Visitors Prepare for Their Trip to Tunnel Log?
To ensure a safe and enjoyable visit to Tunnel Log:
- Check current road conditions and closures on the park’s official website
- Bring appropriate clothing for changing weather conditions
- Carry plenty of water and snacks
- Ensure your vehicle has enough fuel, as gas stations are limited in the park
- Download or purchase park maps in advance
- Arrive early to avoid peak crowds, especially during summer months
- Consider using the free Sequoia Shuttle during peak seasons to avoid parking issues
By following these tips and respecting park regulations, visitors can have a memorable experience at Sequoia National Park’s iconic Tunnel Log on Crescent Meadow Road.