Grotto Geyser's cone is nearly 8 feet (2.4 m) high.
The odd shape comes from sinter accumulating over dead tree stumps as the geyser erupted.
Grotto Geyser's cone is nearly 8 feet (2.4 m) high. The odd shape comes from sinter accumulating over dead tree stumps as the geyser erupted.
Grotto Geyser