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Hawaiʻi County

Fern Forest

Top 13 Natural Monuments around Fern Forest

Best natural monuments around Fern Forest include a diverse range of geological formations shaped by volcanic activity. This region features unique landscapes such as lava tubes, volcanic craters, and rainforests. The area provides opportunities to observe the powerful forces of nature and the subsequent regeneration of flora. These natural features offer insights into the geological history and ecological resilience of the environment.

Best natural monuments around Fern Forest

  • The most popular natural monuments is Kīlauea Iki Crater Trail, a…

Last updated: June 25, 2026

Kīlauea Iki Crater Trail

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Like a lunar landscape! Too beautiful!!!

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Kīlauea Iki West Overlook

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Hikers look into the crater of Kīlauea Iki, or "Little Kīlauea", which last erupted in 1959. The flat base of the crater below used to be a lava lake; elevated …

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Kīlauea Iki East Overlook

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In clear skies a great view of the caldera. An easy way to walk with kids too

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Nāhuku (Thurston Lava Tube)

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The 180m long walk-in cave has a special origin: it is a lava cave. So go through it and become aware that 500 years ago hot lava flowed through it.

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Devastation Trail

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The Devastation Trail leads through the aftermath of the 1959 Kīlauea Iki eruption to Puʻupuaʻi ("Gushing Hill") Overlook, where visitors get an excellent view into Kīlauea Iki Crater at the …

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Puffin
April 4, 2025, Nāhuku (Thurston Lava Tube)

impressive 500-meter-long tunnel in the lava flow

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Never seen anything like this before

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World class, like a moonwalk

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This 500-year-old lava tube was created by a river of lava. Nowadays the lava tube is lit for visitors from 8am-8pm, and the National Park Service urges you to be avoid touching the tube's walls and any hanging roots, as they support entire ecosystems of very delicate organisms. Parking around the lava tube is extremely scarce, but you can hike here along the Crater Rim Trail, which offers many more parking opportunities.

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Iki Trail is a must in Volcano National Park

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You have to do it once. Great landscape

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The crater of Kīlauea Iki, or "Little Kīlauea", last erupted in 1959. The flat base of the crater below used to be a lava lake; elevated areas of the lakebed were once floating islands of rock which collapsed from the crater walls into the molten lake.

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The 180m long walk-in cave has a special origin: it is a lava cave. So go through it and become aware that 500 years ago hot lava flowed through it.

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Frequently Asked Questions

What unique geological features can I explore around Fern Forest?

The natural monuments around Fern Forest are primarily shaped by volcanic activity. You can explore impressive features such as volcanic craters, lava tubes, and landscapes showing the aftermath of eruptions. Highlights include the Kīlauea Iki Crater Trail, which leads across a volcanic crater floor, and Nāhuku (Thurston Lava Tube), a 180-meter-long walk-in lava cave.

Are there family-friendly natural monuments to visit?

Yes, several natural monuments around Fern Forest are suitable for families. Nāhuku (Thurston Lava Tube) is a family-friendly lava cave where you can walk through a 500-year-old tunnel. The Fern Rainforest is also family-friendly and offers an immersive experience among huge tree ferns.

What kind of plant life can I expect to see in the Fern Forest area?

The region is known for its lush rainforests, particularly the Fern Rainforest. Here, you'll encounter huge tree ferns, giving a glimpse into ancient ecosystems. Even in areas affected by volcanic eruptions, like the Devastation Trail, you can observe the remarkable regenerative power of nature as flora recovers ground.

Are there any wheelchair-accessible natural monuments?

Yes, the Devastation Trail is wheelchair-accessible, allowing visitors to experience the unique landscape shaped by a 1959 eruption. Additionally, the Fern Rainforest also offers wheelchair-accessible paths.

What are some popular hiking trails near these natural monuments?

You can find various hiking opportunities near the natural monuments. The Kīlauea Iki Crater Trail is a popular choice, offering a unique walk across a volcanic crater floor. The Hiking around Fern Forest guide provides routes like the Kīlauea Iki Trail and the Crater Rim Trail, ranging from easy to moderate difficulty.

Can I go cycling near the natural monuments?

Yes, there are cycling routes available. The Cycling around Fern Forest guide features routes such as the Crater Rim to Kīlauea Iki Overlook and the Sulphur Banks and Crater Rim Trail Loop, offering scenic rides through the volcanic landscape.

What is the <a href="https://www.komoot.com/highlight/346469" target="_blank" rel="noopener">Kīlauea Iki Crater Trail</a> like?

The Kīlauea Iki Crater Trail is a highly impressive experience, allowing you to walk directly across the floor of a volcanic crater. Visitors often describe it as feeling like a lunar landscape, with a hollow sound underfoot in some areas. It offers a unique perspective on a landscape shaped by past eruptions.

What is special about <a href="https://www.komoot.com/highlight/633384" target="_blank" rel="noopener">Nāhuku (Thurston Lava Tube)</a>?

Nāhuku (Thurston Lava Tube) is a 180-meter-long walk-in lava cave, formed by flowing lava approximately 500 years ago. It's an impressive experience to walk through this illuminated tunnel and imagine the hot lava that once carved its path. The National Park Service advises against touching the walls or hanging roots, as they support delicate ecosystems.

What can I see on the <a href="https://www.komoot.com/highlight/633393" target="_blank" rel="noopener">Devastation Trail</a>?

The Devastation Trail leads through an area profoundly impacted by the 1959 Kīlauea Iki eruption. It showcases the stark beauty of a volcanic wasteland, but also highlights nature's resilience as flora and fauna rapidly recover. The trail offers views into Kīlauea Iki Crater and the existing cinder cone.

Are there opportunities for running near these natural monuments?

Yes, the area provides several running trails. The Running Trails around Fern Forest guide includes routes like the Kīlauea Overlook loop and various loops from Mauna Loa Estates, with difficulties ranging from moderate to difficult.

What is the <a href="https://www.komoot.com/highlight/4557843" target="_blank" rel="noopener">Keauhou Trailhead</a>?

The Keauhou Trailhead is a starting point for the Nāpau Crater Trail, which leads along the Mauna Ulu lava shield. This trail passes by several notable craters, including Pu’u Huluhulu Cinder Cone, Alae Crater, Makaopuhi Crater, and Nāpau Crater, offering expansive views of lava flows and unique geological formations.

What do visitors enjoy most about the natural monuments around Fern Forest?

Visitors frequently express awe at the unique volcanic landscapes and the powerful forces of nature on display. Walking across crater floors, exploring lava tubes, and witnessing nature's regeneration on trails like the Devastation Trail are often highlighted as memorable experiences. The diversity of geological formations and lush rainforests also contribute to a highly appreciated experience.

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Extend your search for the best caves by checking out these guides of the top ones around Fern Forest:

Hawai'I Volcanoes National ParkMauna Loa EstatesRoyal Hawaiian EstatesVolcanoVolcano Golf CourseMountain ViewPapaikouMauna LoaWaikoloa Beach ResortPaukaaHiloWainakuMauna KeaPuakoWaikoloa VillageHawai'I Volcanoes WildernessNaalehuKaiminaniHonaunau-NapoopooCaptain CookKamailiSeaviewDiscovery HarbourKalokoWaiohinuLeilani EstatesHualālaiKeaauKahaluu-Keauhou

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