Named in the 1880's after the morning glory flower, the colors of Morning Glory Pool have changed considerably, from a clear, sapphire blue to a much greener hue, due to a drop in temperature and orange and yellow bacteria spreading toward the center of the pool.
A very chilly autumn day at Morning Glory Pool, Yellowstone National Park
Rebecca Latson
Monday, October 28, 2019
Help support us– the one source for journalism dedicated to our National Parks.
National Parks Traveler is a 501(c) (3) nonprofit.
INN Member
The easiest way to explore RV-friendly National Park campgrounds.
Here’s the definitive guide to National Park System campgrounds where RVers can park their rigs.
Our app is packed with RVing- specific details on more than 250 campgrounds in more than 70 national parks.
You’ll also find stories about RVing in the parks, tips helpful if you’ve just recently become an RVer, and useful planning suggestions.
Add comment