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Overview
Mau Loa o Maunaulu is the roadside gateway to a seemingly endless field of pāhoehoe on the flanks of the Mauna Ulu shield. The name hints at what you’ll feel here: lava that stretches “forever,” still young, raw, and dramatic. It’s less busy than the summit overlooks or the coast, and it delivers that otherworldly, black‑and‑silver lava scape you came for.
What You’ll See
- Miles of smooth, ropy pāhoehoe punctuated by lava channels, cracks, and fragile lava trees and molds.
- Big‑sky views over the East Rift Zone; on clear days you can trace the flows toward the coast.
- Sparse, slow regrowth poking through the rock—proof this landscape is fresh.
Why It’s Special
These flows were born during the 1969–1974 Mauna Ulu eruption—one of Kīlauea’s most storied events. You’re walking across geologic history that formed within living memory, with textbook examples of how lava rivers carved and cooled.
How to Visit
This is a simple roadside stop along Chain of Craters Road with informal access onto the lava. Many hikers start explorations of the Mauna Ulu flows from nearby parking areas, and Puʻu Huluhulu’s panoramic cone is close by. Expect rough, uneven lava underfoot and take your time—route-finding on a uniform black landscape can be tricky.
Safety and Essentials
Stay on durable surfaces and follow any marked cairns (ahu). Hidden cracks are real, and a fall on sharp lava is no joke. Bring sturdy footwear, sun protection, and more water than you think you’ll need—there’s no shade and the rock radiates heat.
Facilities
There are no services at Mau Loa o Maunaulu. Use the restroom at the Mauna Ulu parking area before heading out, and carry everything you need. Pack out your trash.
Best Time to Visit
Go early or late for cooler temps, softer light, and fewer people. Midday can be punishingly hot and flat for photography. Weekdays are typically quieter than weekends.
Wildlife
This stop is all about geology. Don’t expect much wildlife—conditions are harsh and vegetation is sparse.
Pros
- Vast, young pāhoehoe lava field with striking channels and tree molds
- Quieter stop with big views across Kīlauea’s East Rift landscape
Cons
- Full sun and radiant heat with no shade or water
- No on-site services; sharp, uneven lava can be disorienting
Tips
- Start at dawn or late afternoon to beat the heat and harsh light.
- Carry extra water and wear sturdy closed‑toe shoes—the lava is sharp.
- Use the restroom at the Mauna Ulu parking area before you explore.
- Follow cairns and stay on durable lava; avoid fragile lava trees and molds.
- Download or pick up the Mauna Ulu trail guide to identify features.
