'Eua Island National Park is the oldest and largest national park in Tonga, covering over 450 hectares of lush rainforest and rugged landscapes. The park offers a variety of hiking trails, ranging from short walks to challenging full-day treks. Highlights include the Lokupo Beach trail, which takes hikers through dense forest and coastal areas, and the Tufuvai trail, which leads to the majestic Tufuvai Waterfall. The park is also home to unique flora and fauna, including some of the world's most endangered bird species.