National Park Service, Arizona.
Park Hours: 8am to 5pm, MST Did you know that Petrified Forest is perfect for exploration and discovery? While the park has all the wonders known for a century, there are many new adventures and discoveries to share. There are backcountry hikes into areas never open before such as Red Basin. There are new exhibits that bring the stories to life. Come rediscover Petrified Forest!
Petrified Forest stretches north/south between I-40 and Hwy 180. There are two entrances into the park. Your direction of travel dictates which entrance is more efficient: Westbound I-40 travelers should take Exit 311, drive 28 miles through the park to Hwy 180 at the south end. Travel 19 miles to return to I-40 via Holbrook. Eastbound I-40 travelers should take Exit 285 into Holbrook then travel 19 miles on Hwy 180 to the park's south entrance. Drive 28 miles north through the park to return to I-40.