Celebrate the 100th anniversary of the National Park Service and “Find Your Park” by visiting Tumacácori National Historical Park during National Park Week, April 16 through 24. Entrance to the park is free all week. Junior Ranger Day kicks off the week from 9am to noon on April 16. https://www.nps.gov/tuma/learn/news/national-park-week-begins-with-junior-ranger-day.htm
Source:: National Park Week Begins with Junior Ranger Day
