Fern Forest in Hawaiʻi Volcanoes National Park
Fern Forest in Hawaiʻi Volcanoes National Park
Highlight • Forest
Hiking
5.0
(28)
The Fern Forest in Hawaiʻi Volcanoes National Park is a captivating, lush rainforest nestled within the active volcanic landscape of the Big Island of Hawaiʻi. Situated at an elevation of approximately 1191 meters (3,907 feet) near the Kīlauea volcano, this unique ecosystem offers a vibrant green contrast to the stark, barren lava fields found elsewhere in the park. It's a natural monument showcasing the incredible resilience and diversity of life in a volcanic environment, particularly along popular routes like the…
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April 5, 2025
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Nearby routes
Best routes near Fern Forest in Hawaiʻi Volcanoes National Park
4.9
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301
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
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84
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(7)
153
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
Details
Informations
Elevation 1,190 m
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Saturday 4 April
27°C
14°C
0 %
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Max wind speed: 7.0 km/h
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While the intro mentions the Thurston Lava Tube (Nāhuku) and Kīlauea Iki trails, other popular options for experiencing the rainforest include the Kīpuka Puaulu Trail (Bird Park), known for its diverse native plants and birds, and sections of the Crater Rim Trail that pass through lush areas. Each offers a unique perspective on the forest's biodiversity.
No, dogs are generally not permitted on most trails within Hawaiʻi Volcanoes National Park, including the Fern Forest areas, to protect the delicate ecosystem and wildlife. However, leashed dogs are allowed in certain developed areas like paved roads, parking lots, and the Mauna Loa Road. Always check the official NPS website for the most current pet regulations.
The Fern Forest experiences a tropical rainforest climate, characterized by frequent rainfall and high humidity, contributing to its lushness. Temperatures are generally mild, but can vary. Hikers should prepare for cool, damp conditions. Layered clothing is highly recommended, along with sturdy, waterproof hiking boots, as trails can be muddy and slippery. A rain jacket is essential.
Yes, the Thurston Lava Tube (Nāhuku) Trail is an excellent family-friendly option. It's a relatively short, paved loop that leads through a beautiful fern-filled gully before entering the lava tube. While some sections may be uneven, it's generally accessible. The Kīpuka Puaulu Trail is also a good choice, offering a relatively flat, easy walk through a diverse forest.
Parking for the Thurston Lava Tube and Kīlauea Iki trails is available at the Thurston Lava Tube parking lot, which can fill up quickly, especially during peak hours. Additional parking is often available near the Kīlauea Visitor Center, from which some trails can be accessed. Arriving early in the morning is advisable to secure a spot.
Beyond the prominent Hāpuʻu tree ferns and 'Ama'u, the Fern Forest is home to a rich diversity of endemic species. Look for the resilient ʻAe fern, often seen colonizing new lava flows, and the ornate Palapalai fern, culturally significant in hula. The forest also features the dense mats of Uluhe (False Staghorn), which play a vital role in soil building, and various other native plants adapted to the volcanic environment.
The primary dining option within the park is the Rim at Volcano House, located near the Kīlauea Visitor Center, offering meals with views of Kīlauea caldera. There's also a snack bar at Volcano House. For more options, the small town of Volcano Village, just outside the park entrance, has several local cafes and restaurants.
While the Fern Forest is beautiful year-round, visiting during the shoulder seasons (April-May and September-November) can offer a good balance of pleasant weather and fewer crowds compared to the peak summer months. Weekdays are generally less busy than weekends. Early mornings are also ideal for a more tranquil experience.
The Fern Forest is a powerful example of ecological succession and resilience. Ferns were among the first vascular plants to colonize the Hawaiian Islands, arriving as spores. Species like the ʻAe fern are pioneers, sprouting from cracks in cooled lava, demonstrating how life reclaims and flourishes on relatively young volcanic land. The lushness of the forest stands in stark contrast to the barren lava fields, showcasing nature's ability to adapt and thrive even after destructive volcanic events.
While the main trails are popular for good reason, exploring some of the less-trafficked sections of the Crater Rim Trail or venturing onto parts of the Byron Ledge Trail (when open and safe) can offer more secluded views of the rainforest and volcanic landscapes. Always check park alerts for trail closures and conditions before exploring.
Ferns hold significant historical and cultural importance in Hawaiʻi. They were among the first vascular plants to colonize the islands, making them icons of the Hawaiian rainforest. Historically, the area within the park, including the Pulu Station off the Nepal Crater Trail, was a site where workers harvested "pulu"—soft fibers from Hāpuʻu ferns—in the mid-19th century for stuffing, which was a significant economic venture. Certain ferns, like Palapalai and ʻAmaʻu, are also deeply intertwined with Hawaiian folklore and traditional practices like hula.