Steam Vents & Sulphur Banks

Steam Vents & Sulphur Banks offer visitors an accessible introduction to Hawaii Volcanoes National Park's otherworldly volcanic activity on the Big Island. Located along Crater Rim Drive near the main visitor center, this fascinating attraction allows you to witness Earth's raw power through billowing volcanic steam and colorful mineral deposits. The Steam Vents section features dramatic plumes of hot vapor rising directly from cracks in the ground, created when rainwater seeps underground and encounters heated volcanic rock. The steam often creates an almost mystical atmosphere, especially during cooler morning hours when the contrast is most striking. Adjacent Sulphur Banks showcase brilliant yellow and orange sulfur crystal formations coating the ground and rocks, creating a Mars-like landscape that photographers love. The distinctive sulfur smell adds to the authentic volcanic experience, though the area remains safe for visitors of all ages. A short, easy boardwalk connects both features, making this attraction perfect for families, seniors, or anyone seeking volcanic wonders without strenuous hiking. The entire visit takes just 20-30 minutes, making it an ideal stop while exploring other areas of Hawaii Volcanoes National Park. The Steam Vents & Sulphur Banks are included with your park entrance fee of $30 per vehicle, providing excellent value alongside the park's other attractions like Kilauea Crater and Thurston Lava Tube. Free parking is available directly at the site, and the attraction remains accessible year-round, though steam visibility varies with weather conditions.