Here are the dates for free admission to National Parks for 2017
- January 16: Martin Luther King Jr. Day
- February 20: Presidents Day
- April 15-16 and 22-23: Weekends of National Park Week
- August 25: National Park Service Birthday
- September 30: National Public Lands Day
- November 11-12: Veterans Day Weekend
Last year I visited Yosemite, Olympic, North Cascades and Mt. St. Helens National Monument.
Hopefully more this year!