Jeju Tourism Organization's tourism data platform features a 2026 travel-trend article titled 'Manjanggul Returns', reflecting renewed attention to the lava cave. However, the cave had a lengthy closure, so old blog posts may contain outdated opening hours or access routes. Check official Jeju and site-operator announcements for today's opening status, which areas are accessible and current ticketing before setting out. Cave paths may be damp or uneven; bring non-slip shoes and a warm layer, and check steps and restrictions when traveling with children.

Check the operator's current hours, closures, fees, booking, accessibility and safety notices before travel.