Visit Kahuku: Puʻu o Lokuana

This is one of those short hikes that punches well above its weight. You'll start on a grassy path through old ranch land in the Kahuku Unit — the quieter, less-visited side of Hawaiʻi Volcanoes that most tourists never find. The trail climbs steeply up the flanks of Puʻu o Lokuana, a cinder cone that rose from the earth during an eruption roughly 600 years ago. The footing is loose volcanic cinder in places, so expect to work for every step on the ascent. At the top, you're rewarded with a view straight down into the cone's rust-red interior — a quarried-out bowl of oxidized lava that looks like something from another planet. The longer loop option threads through that quarry itself, putting you inside the volcano rather than just looking at it. Perfect for geology nerds, curious families with older kids, and anyone who wants a genuine volcanic experience without committing to a full day.