It’s best to visit the Great Smoky Mountains National Park from April-June and September-October. For Yellowstone, plan your visit for April-June and September-October. Head to Acadia in Maine in May-June and September-October.
Find out the best time to visit every national park based on nice weather, accessibility and fewer crowds by checking out the National Parks Experience blog.
Every national park is listed both alphabetically and by region on tables showing the three-seven best months to visit. You’ll also find links to stories on parks to visit in the spring, for fall foliage or winter wonderlands and summer island vacations.
– Staff report, The Travel 100