Like Yellowstone, Grand Teton also offers a wide variety of top-notch free ranger programs ★★★ out of Colter Bay, Jenny Lake, Moose, and the Laurance S. Rockefeller Preserve. They run all year, but the widest variety will be found June through early September. Check the park newspaper for details, or visit www.nps.gov/grte/planyourvisit/ranger-programs.htm. 

Rangers lead walks on trails such as Taggart Lake, Inspiration Point, or Swan Lake. If history is your thing, look for programs that explore Menors Ferry Historic District or demonstrate how Native Americans constructed their tipis. You’ll find science-based programs on park ecology, bear safety, geology, and wildlife at several different stations in the park. Evening programs at Gros Ventre and Colter Bay Campgrounds cover a slew of park topics after the sun goes down, and in winter, rangers will take you on snowshoe hikes around Taggart Lake (reservations required). 
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And, just like at Yellowstone, Grand Teton offers the Junior Ranger Program for kids (and adults, for that matter). Grab a copy of The Grand Adventure workbook at any visitor center and complete the educational activities therein—including attending a ranger program and going on a hike—to earn an official Junior Ranger badge. 
 

Note: This information was accurate when it was published, but can change without notice. Please be sure to confirm all rates and details directly with the companies in question before planning your trip.