Volunteers are invited to Joshua Tree National Park to participate in the 22nd annual National Public Lands Day on Saturday, September 26, from 8:00 am – 1:00 pm. National Public Lands Day is the largest single day of volunteerism each year on America’s public lands. It is also a fee-free day for visitors to the park. https://www.nps.gov/jotr/learn/news/jtnp-npld2015.htm
Source:: Come Volunteer at Joshua Tree National Park for National Public Lands Day
