Waterfalls, bison, and geysers: plan the ultimate trip through Montana and Wyoming
One of the oldest hydrothermal features in the park, Castle Geyser's eruptions are a sensational experience in sight and sound―with a cone reaching up to 90 feet, it sounds like an oncoming steam train.
The rules: Keep it clean, and stay on the subject or we might delete your comment. If you see inappropriate language, e-mail us. An asterisk * indicates a required field.
Your Name
Your Comment *500 characters remaining
Advertisement
