star 4.5 (52) · Difficult

Mauna Loa Trail

Name: Mauna Loa Trail
Brand: Hiiker
Rating: 4.5 (52 reviews)

Hawaiʻi County, Hawaii

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Trail length

20.7 km

Time

3 days

Elevation Gain

2167 m

Hike Type

Multi Day

“Embark on the Mauna Loa Trail for an exhilarating ascent through volcanic majesty and history.”

The Mauna Loa Trail is an exceptional journey that takes you through the heart of the world's largest subaerial volcano, Mauna Loa, on the Big Island of Hawaii. This trail is approximately 21 kilometers (13 miles) long and features an impressive elevation gain of around 2100 meters (6890 feet), offering hikers a challenging yet rewarding experience.

Getting to the Trailhead To reach the trailhead, you can drive or take public transportation to Hawaiʻi Volcanoes National Park, near Hawaiʻi County. The trailhead is accessible via Mauna Loa Observatory Road, which is a turnoff from Highway 11 between mile markers 28 and 29. There is a parking area at the end of Mauna Loa Observatory Road where you can leave your vehicle before starting your hike.

The Hike Itself As you embark on the Mauna Loa Trail, you'll traverse through diverse landscapes, starting with lush rainforest that gradually transitions into stark, volcanic terrain. The trail is well-marked, but due to the open and exposed environment, it's essential to use a reliable navigation tool like HiiKER to stay on course.

Landmarks and Natural Features One of the trail's significant landmarks is the Mauna Loa Observatory, an atmospheric monitoring station that has played a crucial role in climate research. Although the observatory is not directly on the trail, it's in the vicinity and worth noting for its historical significance.

As you ascend, you'll notice the vegetation thinning out, and the terrain will become more rugged, with lava flows and volcanic features dominating the landscape. The views of the surrounding areas, including Mauna Kea and the Pacific Ocean, are breathtaking.

Wildlife and Flora While wildlife sightings are less common at higher elevations, you may encounter native birds like the Nene (Hawaiian goose) and the Hawaiian Petrel. The lower sections of the trail support a variety of plant life, including ohia trees and ferns, which give way to hardier species as you climb higher.

Preparation and Safety Given the trail's elevation gain and the potential for rapidly changing weather conditions, it's crucial to be well-prepared. Bring plenty of water, high-energy snacks, and layers of clothing to adjust to temperature changes. Sun protection is also vital, as the high elevation means stronger UV rays.

Historical Significance Mauna Loa has a rich cultural and geological history. It is considered one of the most active volcanoes on Earth and has been studied extensively. The trail offers a unique opportunity to witness the power of volcanic activity and its impact on the landscape.

Conclusion The Mauna Loa Trail is a must-do for avid hikers seeking a challenging trek with stunning views and a touch of historical significance. With proper preparation and respect for the natural environment, this hike promises an unforgettable adventure on the Big Island of Hawaii.