Date: June 16, 2011
Free Day Marks First Day of Summer
Yosemite National Park will offer free entrance on Tuesday, June 21, 2011. This fee free day is a great opportunity for people to visit and enjoy Yosemite National Park on the first official day of summer.
Fees being waived for June 21 include only the fees associated with entrance into Yosemite National Park. All other fees associated with camping, lodging or activities within the park are not waived. The fee waiver is good for June 21, 2011 only.
http://www.nps.gov/yose/parknews/feefreejune21.htm