James W
Google
As part of the Volcanoes National Park, this is one of the sites you want to go see. It shows a lot of the history of the people when they first came to the Hawaiian islands, and the early East carvings are from centuries ago.
There's a parking spot off of the chain of craters Road where you can enter the trail
The petroglyphs tell a story of people and their lives. Many of them are tribute to new births and families. Read all the signs as you go it'll explain what the petroglyphs mean. Take pictures, but not nothing else. Also, for Heaven's Sake, don't try and draw your own glyphs or initials in the stone, which many people have along the trail leave this historic site with the respect that is given to it by the park service. Stay on the boardwalk as you view the glyphs.
It took us about 40 minutes to walk into the site at an easy pace. There is no incline, but it is jagged and rugged, not inducing to mobility impaired people. You will want to follow the trail markings since it is somewhat winding and all the terrain looks very similar and you could easily get lost.