The Big Island has a long - lived volcanic eruption and Hawaii 's tallest volcano . Lana ' i ##a National Park has seen active lava since 1983 . Most of Hawaii 's giant valleys are inaccessible , but they can still be seen via lookout .
The Big Island has a long-running volcanic eruption and Hawaii 's tallest peaks . Hawai ' i Volcanoes National Park has seen active lava since 1983 . Most of Hawaii 's giant valleys are inaccessible , but they can still be viewed via lookout .