NPS/Neal Herbert
One of the first features you'll see/hear as you descend the trail into Porcelain Basin at Norris Geyser Basin.
Sustained Sound
[steam hissing] [water spraying]
Binaural recording of Black Growler Steam Vent.
[Steam hissing] [Water spraying]
Last updated: August 21, 2017
PO Box 168 Yellowstone National Park, WY 82190-0168
307-344-7381