Highlight • Volcano
Mauna Iki
Hiking
5.0
(2)
Running
5.0
(1)
Mauna Iki, meaning "little mountain" in Hawaiian, is a distinctive lava shield located within the desolate yet captivating Kaʻū Desert, deep inside Hawaiʻi Volcanoes National Park on the island of Hawaiʻi. Rising to an elevation of 921 meters (3,022 feet), this geological feature is not a standalone volcano but rather a product of Kīlauea's Southwest Rift Zone, formed during a significant eruption between 1919 and 1920. It stands as a testament to the powerful, ongoing volcanic processes that shape the Hawaiian Islands.
What draws hikers to Mauna Iki is the unparalleled opportunity to immerse themselves in a raw, active volcanic landscape. Visitors are captivated by the moon-like terrain, characterized by vast fields of hardened lava flows, often described as a "petrified sea" of black, twisted, and corrugated rock. The historical significance of its formation, meticulously documented by pioneering geologists Thomas Jaggar and Ruy Finch, adds another layer of intrigue, offering a glimpse into the scientific understanding of Kīlauea's dynamic behavior.
Before embarking on a hike to Mauna Iki, preparedness is key. The terrain is challenging, consisting of uneven 'a'ā and pāhoehoe lava, and there is very little shade or water available along the trails. Hikers should be ready for strenuous conditions, including potential airborne ash and strong sun exposure, making sturdy hiking boots, ample water, and sun protection essential. Access to this remote area is typically via the Kaʻū Desert Trailhead on Highway 11 or the Maunaiki Trailhead along Hilina Pali Road, both offering routes into this unique environment.
The best time to hike Mauna Iki is generally during cooler, drier periods, though conditions can change rapidly in Hawaiʻi Volcanoes National Park. The primary activity here is hiking, with trails leading through the stark beauty of the Kaʻū Desert. Exploring the area allows adventurers to witness volcanic cones, deep pit craters, and even search for delicate strands of Pele's hair, a unique volcanic glass formation. The long, remote trails offer a profound sense of isolation and a deep connection to the Earth's powerful forces.
Venturing into this landscape offers many memorable experiences. Hikers often speak of the awe-inspiring scale of the 1919-1920 lava flows, which stretch for miles, showcasing the sheer power of Kīlauea. The presence of ancient Hawaiian footprints in the broader Kaʻū Desert area also provides a poignant historical dimension, reminding visitors of centuries of human interaction with this ever-changing land. Observing nesting white-tailed tropicbirds in the pit craters adds a touch of unexpected life to the desolate scenery.
For those eager to explore the unique geology and hiking trails of Mauna Iki, a variety of routes are available to discover this remarkable part of Hawaiʻi Volcanoes National Park. Whether you're interested in a challenging day hike or a deeper exploration of the Kaʻū Desert, komoot offers numerous options to plan your adventure. You can find detailed maps and information to help you navigate the lava fields and experience the raw beauty of this significant volcanic landmark.
This Highlight is in a protected area
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Kaʻu Desert Wilderness
Tips
March 11, 2023
Hiking
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Nearby routes
Best routes near Mauna Iki
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12
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01:44
70m
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Step back in time on the Footprints Trail, an easy 4.0-mile (6.5 km) hike through the otherworldly Kaʻū Desert. This route, which takes about 1 hour and 43 minutes with a gentle 218 feet (66 metres) of elevation gain, offers a fascinating journey across old lava flows and volcanic ash. The main draw is the Footprints shelter, where you can witness ancient human footprints preserved in volcanic mud, a truly unique sight in this desolate yet captivating landscape.
Access the trail from the Kaʻū Desert Trailhead on Highway 11. While the path is generally easy and family-friendly, be aware that some sections can be uneven or have deep sand. The elevation of around 3,500 feet means cooler temperatures, so dress accordingly. Dogs are permitted on the trail, provided they remain on a leash.
This trail is a profound connection to Hawaii's geological and human history, showcasing the raw power of Kīlauea Volcano. The fossilized footprints tell a dramatic story of ancient Hawaiians encountering a massive eruption in 1790, making it a significant cultural and natural landmark. It's a must-do for anyone interested in the island's past and its unique volcanic environment.
5.0
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3
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15.8km
04:09
130m
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Hike the moderate 9.8-mile Maunaiki and Footprints Trail in Hawaiʻi Volcanoes National Park, exploring a unique volcanic desert.
5.0
(1)
2
hikers
14.8km
04:00
190m
190m
Hike the moderate 9.2-mile Ka‘ū Desert Trail to Kamakai‘a Hills in Hawaiʻi Volcanoes National Park, exploring unique volcanic landscapes.
Details
Informations
Elevation 920 m
Frequently Asked Questions
What are the main trailheads for accessing the Mauna Iki area?
There are two primary trailheads to reach the Mauna Iki area within Hawaiʻi Volcanoes National Park: the Kaʻū Desert Trailhead located on Highway 11, and the Maunaiki Trailhead situated along Hilina Pali Road. Both offer routes into this unique volcanic landscape.
How difficult is the hike to Mauna Iki, and what should I expect from the terrain?
The hike to Mauna Iki is considered strenuous and challenging. The terrain consists primarily of uneven, jagged lava flows, including both 'a'ā and pāhoehoe, which can be difficult to traverse. Hikers should be prepared for long distances, up to 12 miles round trip, with minimal shade and no water sources along the trail. Sturdy hiking boots are essential.
Are there any unique geological features or landmarks to look out for on the Mauna Iki trail?
Absolutely! Beyond the vast 1919-1920 lava flows, hikers can observe prominent volcanic cones and deep pit craters between the Mauna Iki lava shield and Hilina Pali Road. Keep an eye out for delicate, golden strands of volcanic glass known as Pele's hair. The surrounding Kaʻū Desert also features ancient Hawaiian footprints, a poignant historical reminder of past eruptions, though these are in a broader area and not directly on the Mauna Iki shield itself.
Is Mauna Iki suitable for families with children or dog-friendly?
The Mauna Iki trail is generally not recommended for young children due to its strenuous nature, long distances, uneven terrain, lack of shade, and absence of water. For dog owners, Hawaiʻi Volcanoes National Park has specific pet policies. Dogs are generally restricted to paved roads and parking lots, and are not permitted on most trails, including the Mauna Iki trail, to protect wildlife and natural resources. Always check the latest park regulations before visiting.
What are the parking options and permit requirements for hiking Mauna Iki?
Parking is available at both the Kaʻū Desert Trailhead on Highway 11 and the Maunaiki Trailhead on Hilina Pali Road. Parking can fill up quickly, especially during peak seasons. As Mauna Iki is located within Hawaiʻi Volcanoes National Park, standard park entrance fees apply. However, specific permits for day hiking the Mauna Iki trail itself are generally not required.
What is the best time of year to hike Mauna Iki, considering weather and volcanic conditions?
While the intro mentions cooler, drier periods, it's important to consider specific conditions. The best time to hike Mauna Iki is typically during the cooler months to avoid extreme heat, but conditions can change rapidly. Be aware of potential vog (volcanic smog) and ashfall, which can occur at any time depending on Kīlauea's activity. Always check the current weather forecast and park alerts before your visit. The lack of shade makes midday hiking particularly challenging.
Are there any accommodations, cafes, or restaurants near the Mauna Iki trailheads?
Mauna Iki is located in a remote part of Hawaiʻi Volcanoes National Park. There are no cafes, pubs, or restaurants directly at or very close to the Kaʻū Desert Trailhead or the Maunaiki Trailhead. The nearest services, including lodging and dining, would be found in the towns of Volcano Village or Hilo, which are a drive away from the park's more remote sections. It's crucial to bring all necessary supplies, including food and ample water, for your hike.
How long does it typically take to complete the Mauna Iki hike?
The Mauna Iki hike can be a significant undertaking. Depending on your chosen route and pace, a round trip can be up to 12 miles. Hikers should allocate a full day for this adventure, often 6-8 hours or more, especially given the challenging terrain and the need for frequent breaks due to sun exposure and uneven ground. It is not a short, casual stroll.
What should I pack for a hike to Mauna Iki?
Given the challenging conditions, essential packing items include: sturdy hiking boots with good ankle support, plenty of water (more than you think you'll need, as there are no refill points), sun protection (hat, sunglasses, sunscreen), layers of clothing for varying temperatures, a first-aid kit, a map and compass or GPS device, snacks, and a headlamp if there's any chance of hiking near dusk. The terrain is very exposed, so protection from the sun is paramount.
Can I use public transport to get to the Mauna Iki trailheads?
Public transportation options directly to the remote Mauna Iki trailheads (Kaʻū Desert Trailhead or Maunaiki Trailhead) within Hawaiʻi Volcanoes National Park are extremely limited or non-existent. Visitors typically access these areas by private vehicle. Planning for a rental car or arranging private transport is highly recommended for visiting Mauna Iki and other remote parts of the park.
What makes the geology of Mauna Iki unique compared to other volcanic areas?
Mauna Iki is unique because it's a lava shield formed during a specific 1919-1920 eruption of Kīlauea's Southwest Rift Zone, not a standalone volcano. The area showcases a 'petrified sea' of both 'a'ā and pāhoehoe lava flows, offering a stark contrast to the lush Hawaiian landscape elsewhere. Its location within the Kaʻū Desert, shaped by rain shadow and acid rain, further contributes to its moon-like, desolate appearance, making it a prime example of active geological processes.