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Clepsydra Geyser Seen From Fountain Paint Pot Trail, Yellowstone National Park

A telephoto close-up of an erupting Clepsydra Geyser on a gray winter day along the Fountain Paint Pot Nature Trail in Yellowstone National Park
Rebecca Latson
Thursday, March 24, 2022

"This nearly constant performer splashes from several vents and its steam can be seen throughout the Lower Geyser Basin. Its name is Greek for water clock, and was given because the geyser used to erupt regularly every three minutes. Since the 1959 Hebgen earthquake, however, Clepsydra erupts almost without pause."

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The Essential RVing Guide

The Essential RVing Guide to the National Parks

The National Parks RVing Guide, aka the Essential RVing Guide To The National Parks, is the definitive guide for RVers seeking information on campgrounds in the National Park System where they can park their rigs. It's available for free for both iPhones and Android models.

This app is packed with RVing specific details on more than 250 campgrounds in more than 70 parks.

You'll also find stories about RVing in the parks, some tips if you've just recently turned into an RVer, and some planning suggestions. A bonus that wasn't in the previous eBook or PDF versions of this guide are feeds of Traveler content: you'll find our latest stories as well as our most recent podcasts just a click away.

So whether you have an iPhone or an Android, download this app and start exploring the campgrounds in the National Park System where you can park your rig.