Keaukaha, home to Hilo’s sewage treatment plant, also has numerous cesspools near the shoreline. Wastewater from these ...
The Hawai'i Tropical Botanical Garden is located about 7 miles north of Hilo and is open daily from 9 a.m. to 5 p.m.; last entry is at 4 p.m. Tickets cost $32 for adults and $22 for kids ages 6 to ...