A tunnel tree is a large tree, typically a giant sequoia or coastal redwood, through which a tunnel has been carved. This practice was primarily carried out in the late 19th and early 20th centuries in the western United States, particularly in California. Tunnel trees were created as tourist attractions, allowing visitors to walk or drive through the tree, often by horse-drawn carriages or automobiles. [1]
The creation of tunnel trees was intended to boost tourism, making the sites iconic landmarks. [1] Examples of tunnel trees are predominantly found in national parks such as Yosemite National Park, and Sequoia and Kings Canyon National Park. Notable examples include the now-fallen Wawona Tree in Yosemite and the Chandelier Tree in Leggett, California. [2]
However, the practice of boring tunnels into living trees caused significant harm to their structural integrity and overall health. Over time, many tunnel trees fell due to the damage inflicted during the tunneling process. [1] As awareness of nature conservation increased, the practice was discontinued. Existing tunnel trees are now preserved as historical artifacts, and no new tunnel trees are being created. [3]
The California Tunnel Tree is the only remaining giant sequoia tunnel tree, while the other three surviving tunnel trees are coastal redwoods. [1]
Today, tunnel trees serve as reminders of an earlier era in American tourism and as examples of the evolving understanding of the importance of conservation and tree preservation. [1]
Name | Place | Tree species | Note | Picture |
---|---|---|---|---|
Wawona Tree | Mariposa Grove, Yosemite National Park | Sequoiadendron giganteum | Yosemite’s Wawona Tree, tunneled in 1881 as a tourist attraction, stood for 88 years before collapsing in the winter of 1968-69. Heavy snow, wet soil, and the tunnel’s weakening effects contributed to its fall. The tree was about 2,100 years old. [4] | ![]() |
Pioneer Cabin Tree | Calaveras, Calaveras Big Trees State Park | Sequoiadendron giganteum | The Pioneer Cabin Tree, the third tree to be tunneled, was 1,223 years old when it fell during a powerful winter storm in 2017. [5] | ![]() |
Tunnel Log | Sequoia and Kings Canyon National Parks | Sequoiadendron giganteum | The Tunnel Log in Sequoia National Park was created after a giant sequoia fell across Crescent Meadow Road in late 1937 due to natural causes. In 1938, a tunnel was cut through the fallen log to allow vehicles to pass and to serve as a visitor attraction. [4] | |
Chandelier Tree | Leggett | Sequoia sempervirens | The Chandelier Tree, also known as the Drive-Thru Tree, is a 315-foot-tall coast redwood located in Leggett, California. Carved in 1937, its 6-foot-wide tunnel allows vehicles to pass through, making it a popular roadside attraction at the privately owned Drive-Thru Tree Park. [6] | ![]() |
Shrine Drive-Thru Tree | Myers Flat | Sequoia sempervirens | Naturally hollowed by fire, the tree was tunneled in the early 20th century for vehicles and became a popular roadside attraction. Renamed in the 1930s, possibly for Shriners International, it shows signs of decline and has been supported by cables since 1942. [7] | ![]() |
Klamath Tour-Thru Tree | Klamath | Sequoia sempervirens | The Klamath Tour Thru Tree, carved in 1976, is a drive-through redwood located near Redwood National Park and Yurok tribal lands along the Klamath River, about 60 minutes north of Eureka, California. [8] | |
California Tunnel Tree | Mariposa Grove, Yosemite National Park | Sequoiadendron giganteum | The California Tunnel Tree, cut in 1895 to accommodate horse-drawn stages, was the second tunnel tree created in Mariposa Grove. [9] Located in the lower grove, it stands below the snowline for longer periods than the Wawona Tree, prompting its selection. Today, it is the last remaining giant sequoia tunnel tree still standing. [10] | ![]() |
Dead Giant Tunnel Tree | Tuolumne, Yosemite National Park | Sequoiadendron giganteum | The Dead Giant Tunnel Tree, created in 1878, was the first tunnel tree. [5] It was carved from a dead stump in Tuolumne Grove that already had natural fire caves, making it easy to tunnel through. The tree was created to attract visitors traveling the Big Oak Flat road to Yosemite, which had opened in 1870. [11] | ![]() |
Yosemite National Park is a national park of the United States in California. It is bordered on the southeast by Sierra National Forest and on the northwest by Stanislaus National Forest. The park is managed by the National Park Service and covers 759,620 acres in four counties – centered in Tuolumne and Mariposa, extending north and east to Mono and south to Madera. Designated a World Heritage Site in 1984, Yosemite is internationally recognized for its granite cliffs, waterfalls, clear streams, groves of giant sequoia, lakes, mountains, meadows, glaciers, and biological diversity. Almost 95 percent of the park is designated wilderness. Yosemite is one of the largest and least fragmented habitat blocks in the Sierra Nevada.
Sequoiadendron giganteum, also known as the giant sequoia, giant redwood, Sierra redwood or Wellingtonia is a coniferous tree, classified in the family Cupressaceae in the subfamily Sequoioideae. Giant sequoia specimens are the most massive trees on Earth. They are native to the groves on the western slopes of the Sierra Nevada mountain range of California but have been introduced, planted, and grown around the world.
General Sherman is a giant sequoia tree located at an elevation of 2,109 m (6,919 ft) above sea level in the Giant Forest of Sequoia National Park in Tulare County, in the U.S. state of California. By volume, it is the largest known living single-stem tree on Earth.
Sequoia National Park is a national park of the United States in the southern Sierra Nevada east of Visalia, California. The park was established on September 25, 1890, and today protects 404,064 acres of forested mountainous terrain. Encompassing a vertical relief of nearly 13,000 feet (4,000 m), the park contains the highest point in the contiguous United States, Mount Whitney, at 14,505 feet (4,421 m) above sea level. The park is south of, and contiguous with, Kings Canyon National Park; both parks are administered by the National Park Service together as Sequoia and Kings Canyon National Parks. UNESCO designated the areas as Sequoia-Kings Canyon Biosphere Reserve in 1976.
Calaveras Big Trees State Park is a state park of California, United States, preserving two groves of giant sequoia trees. Located 4 miles (6.4 km) northeast of Arnold, California in the middle elevations of the Sierra Nevada, it has been a major tourist attraction since 1852, when the existence of the trees was first widely reported. Two famous exhibition trees, the Discovery Tree and the Mother of the Forest, were felled for display. It is also considered the longest continuously operated tourist attraction in California.
General Grant Grove, a section of the greater Kings Canyon National Park, was established by the U.S. Congress in 1890 and is located in Fresno County, California. The primary attraction of General Grant Grove is the giant sequoia trees that populate the grove. General Grant Grove's best-known tree is called General Grant, which is 267 ft (81 m) tall and the third-largest known tree in the world. The General Grant tree is over 1,500 years old and is known as the United States' national Christmas tree. General Grant Grove consists of 154 acres (0.62 km2) and is geographically isolated from the rest of Kings Canyon National Park.
Nelder Grove, located in the western Sierra Nevada within the Sierra National Forest in Madera County, California, is a Giant sequoia grove that was formerly known as Fresno Grove. The grove is a 1,540-acre (6.2 km2) tract containing 60 mature Giant Sequoia trees, the largest concentration of giant sequoias in the Sierra National Forest. The grove also contains several historical points of interest, including pioneer cabins, giant sequoia stumps left by 19th-century loggers, and the site where the Forest King exhibition tree was felled in 1870 for display.
Mariposa Grove is a sequoia grove located near Wawona, California, United States, in the southernmost part of Yosemite National Park. It is the largest grove of giant sequoias in the park, with several hundred mature specimens. Two of its trees are among the 30 largest giant sequoias in the world. The grove attracts about one million visitors annually.
The Avenue of the Giants is a scenic highway in northern California, United States, running through Humboldt Redwoods State Park. It is named for the coast redwoods that tower over the route. The road is a former alignment of U.S. Route 101, and continues to be maintained as a state highway as State Route 254.
The Wawona Hotel, located in southern Yosemite National Park, California, is a historic late Victorian mountain resort and one of the largest intact hotels of its kind within a national park. Originally established in the 1850s as Clark's Station, a pioneer stop, it soon evolved into a bustling stagecoach stop and later transformed into a grand New England–style resort, complete with manicured grounds and refined amenities. Its design catered to East Coast and European visitors, aligning with the era’s trend of exclusive grand hotels.
Save the Redwoods League is a nonprofit organization whose mission is to protect and restore coast redwood and giant sequoia trees through the preemptive purchase of development rights of notable areas with such forests.
The Chandelier Tree in Drive-Thru Tree Park is a 276-foot (84 m) tall coast redwood tree in Leggett, California with a 6-foot-wide (1.8 m) by 6-foot-9-inch-high (2.06 m) hole cut through its base to allow a car to drive through. Its base measures 16 ft (4.9 m) diameter at breast height (chest-high). A historic sign put up in or before the 1930s claims a height of 315 feet high and 21 feet wide, but a contemporary measurement by a Certified Arborist experienced with tall redwoods and using a laser rangefinder found the tree to be 276 feet high and 16 feet in diameter. It is unknown if the tree was topped by Nature in between the measurements.
The Wawona Tree, also known as the Wawona Tunnel Tree, was a famous giant sequoia that stood in Mariposa Grove, Yosemite National Park, California, United States, until February 1969. It had a height of 227 feet (69 m) and was 26 feet (7.9 m) in diameter at the base.
Tuolumne Grove is a giant sequoia grove located near Crane Flat in Yosemite National Park, at the southeastern edge of the Tuolumne River watershed. It is about 16 miles (26 km) west of Yosemite Village on Tioga Pass Road. The grove contains many conifers, including a few Sequoiadendron giganteum as well as Abies concolor and Pinus lambertiana.
Merced Grove is a giant sequoia grove located about 3.6 km (2.2 mi) west of Crane Flat in the Merced River watershed of Yosemite National Park, California. The grove occupies a small valley at an elevation of 5,469 feet (1,667 m) and is accessible by a 2.5 km (1.6 mi) dirt trail.
Sequoia sempervirens is the sole living species of the genus Sequoia in the cypress family Cupressaceae. Common names include coast redwood, coastal redwood and California redwood. It is an evergreen, long-lived, monoecious tree living 1,200–2,200 years or more. This species includes the tallest living trees on Earth, reaching up to 115.9 m (380.1 ft) in height and up to 8.9 m (29 ft) in diameter at breast height. These trees are also among the longest-living trees on Earth. Before commercial logging and clearing began by the 1850s, this massive tree occurred naturally in an estimated 810,000 ha along much of coastal California and the southwestern corner of coastal Oregon within the United States. Being the tallest tree species, with a small range and an extremely long lifespan, many redwoods are preserved in various state and national parks; many of the largest specimens have their own official names.
The Pioneer Cabin Tree, also known as The Tunnel Tree, was a giant sequoia in Calaveras Big Trees State Park, California. It was considered one of the U.S.'s most famous trees, and drew thousands of visitors annually. It was estimated to have been more than 1,000 years old, and measured 33 feet (10 m) in diameter; its exact age and height were not known. The tree was topped before 1859. It fell and shattered during a storm on January 8, 2017.
There are nine national parks located in the state of California managed by the National Park Service. National parks protect significant scenic areas and nature reserves, provide educational programs, community service opportunities, and are an important part of conservation efforts in the United States. There are several other locations inside of California managed by the National Park Service, but carry other designations such as National Monuments. Many of the national parks in California are also part of national forests and National Wildlife Refuges, and contain Native American Heritage Sites and National Monuments.
The Washburn Fire was a wildfire that burned in Yosemite National Park near the Mariposa Grove of giant sequoias. The fire was reported on July 7, 2022, in the lower Mariposa Grove area near the Washburn trail, for which the fire is named. The fire quickly attracted national attention due in part to the role the Mariposa Grove played in the establishment of Yosemite National Park and the National Park Service.
Exhibition trees are monarch specimens of Sequoiadendron giganteum harvested from California's Sierra Nevada Mountains and displayed at international expositions, world's fairs, and botanical gardens during the late 19th century. Renowned for their immense size and age, these trees fascinated 19th-century audiences and played a pivotal role in raising awareness about the need for conservation.