Thanks to their short distances, panoramic views, and level of accessibility, the pillbox hikes on O’ahu are popular among both locals and visitors. There are four main pillbox hikes on O’ahu: Lanikai Pillbox, Maili Pillbox, Ehukai Pillbox, and Pu’u Ma’eli’eli Pillbox. These trails are not as adventurous as more challenging routes such as Moanalua Valley …
