"Rising about 90 feet from the cliffs down into the ocean, the Hōlei Sea Arch is a dramatic lava formation; as of 2025 the scenic drive ends at a lava flow near the arch, and the National Park Service notes the observation point is located roughly 1,000 feet past the gate at the end of the road." - Lydia Mansel Lydia Mansel Lydia Mansel is a writer with more than eight years of experience editing and writing for both brands and online publications—with a particular focus on travel, fashion, and lifestyle. She’s also the founder of the travel site justpacked.com. Travel + Leisure Editorial Guidelines