From the Visitor's Center, drive down the Chain of the Craters Road, and park at the parking area for the Thurston Lava Tube.
This hike descends 400 feet through rainforest, across the crater floor, passes Pu'u Pua'i cinder cone, and return via the crater's rim. The trail is marked well. Ensure you follow the cairns.
If you only have time to do one hike at HVNP, do this one. It's short, lets you see a lot of stuff, and is very easy.
This hike is 4 miles round trip. You will gain and lose 400 feet going to and from the Crater Floor.
Sturdy shoes. Do not wear any open toed shoes. The lava will eat up your feet! Bring plenty of water.
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