Hiking the Pu’u Loa Petroglyph Trail in Hawaii Volcanoes National Park

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You might not expect to find much archaeological history in a place like the Big Island in Hawaii, where lava flows commonly bury everything in their path. But Hawaii Volcanoes National Park is home to one of the island’s coolest treasures – a collection of petroglyphs.

These intricate carvings into the lava bedrock provide a window into the lives and culture of the natives who lived here between 1200 and 1450 AD. The images depict people, animals, and symbols that were important to the natives, who viewed this area as sacred.


The collection of roughly 23,000 petroglyphs is the largest in Hawaii. The petroglyphs are located along Chain of Craters Road, not far from the end of the road near the ocean. Many of these are easily viewable by anyone willing to take the three-quarters of a mile hike.


Pu’uloa means “large hill.” While the ground itself is relatively flat, there are hilly and rocky sections due to the way to lava hardened. It’s worth making the trip here to see these markings, especially after you’ve learned the stories behind them, including an unusual ritual involving umbilical cords.

Sights from the petroglyph hike

This is what the start of the hike looks like. You’ll see a landscape of rocks with a bit of shrubbery and some blotches of green plant life, along with a line of hikers heading to the petroglyphs.


These signs are spotted around the park as a precaution, though during our visit there were no fumes to speak of on this hike.


NPS markers explain how Hawaiians were able to survive on this harsh terrain, which is not conducive to farming, and they give tourists information about the significance of the symbols.



The lava here is pahoehoe, one of two types of lava in Hawaii. Pahoehoe means “smooth, unbroken lava,” and it often has a rope-like surface appearance.


It amazes me that anything can grow out of hardened lava, but somehow plants like this noni fruit find a way.


Keep walking, and before long, you’ll reach the boardwalk at the end of the hike. The boardwalk was built in an area of very heavy petroglyph activity. You can walk around it and see hundreds of carvings in the lava below.


Examining the petroglyphs: What do the symbols mean?

Here’s where that umbilical cord story comes in. Natives used to come here to bury the umbilical cords of their newborns. The cord (“piko”) would be placed in a small hole (“puka”) underneath a rock. This was done to build a connection with the ancestral land and to ensure a long and prosperous life.

Approximately 16,000 of the 23,000 petroglyphs here are pukas. Those are the small round holes you will see everywhere.


Some of the holes are surrounded by one or more rings. As the NPS notes, people have interpreted these symbols in different ways. Early explorers were told that the rings denoted the number of people who had traveled completely around the island. However, later anthropologists said that a hole inside a ring represented a family’s first-born child.


This next series of etchings is interesting. There are a few symbols that look like people. Note the clear drawing of a turtle in the lower left next to the semicircle with the dot in it.


Instant Hawaii has some descriptions of what some of the other symbols might mean.




Many more petroglyphs can be found if you leave the boardwalk and go off onto the lava field, though visitors are urged not to do this. Anyone who visits must be respectful of the markings and avoid stepping on them or otherwise altering them in any way.

Tips for hiking Pu’u Loa Petroglyph Trail in Hawaii Volcanoes National Park

The hike to the boardwalk is a fairly easy walk with no elevation changes. However, expect bumpy terrain full of hardened lava and rocks, so wear closed-toe shoes and watch your footing. Take your time! There’s no sense rolling an ankle because you tried to move too quickly.


Temperatures in Hawaii almost never exceed 90 degrees, but if you’re hiking in the middle of a sunny summer day, you can definitely become overheated. If you are not the most physically fit person, walk during the morning or early evening rather than mid-afternoon when the sun is at its hottest. You may want to bring a water bottle as well.

There’s no chance of getting lost if you stay on the trail. The hike sees a nice amount of tourists – enough that somebody is always within shouting distance if needed, but not so many that you can’t enjoy the hike.

2 thoughts on “Hiking the Pu’u Loa Petroglyph Trail in Hawaii Volcanoes National Park”

  1. my first tattoo is of a hawaiian petroglyph…the one for strong woman. i have relatives who live on lanai, but used to live on the big island. during visits to each island i have made the journey to view petroglyphs. really stuck with me. thrilled you enjoyed your time and visit!

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