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#OptOutside with Friends of Princeton Open Space

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Join us for our annual #OptOutside event at the Mountain Lakes House in the Billy Johnson Mountain Lakes Nature Preserve, 57 Mountain Avenue, Princeton.

OptOutside is a movement to encourage people to spend time in nature rather than crowded stores Black Friday shopping the day after Thanksgiving. The community is invited to the Mountain Lakes House to enjoy nature-themed art activities, live music, cider and snacks from 1:00PM to 3:00PM. Trail maps will be available for walks and hikes before or after the event. All ages are welcome to this free, rain or shine event.

While this event is free, please pre-register via to help us plan for attendance. There is no need to print your ticket. 

November 23 is also the kick-off of the Friends of Princeton Open Space annual Give Thanks for Nature Photo Contest. Professional and amateur photographers alike, are encouraged to take their best shot of all that the Mountain Lakes Preserve has to offer, and submit a photo for a chance to win nature-themed prizes.

Files must be in JPG format. Any aspect ratio is acceptable, but please size the file so that the longest dimension is 1500 pixels and set the quality to “high.” Filenames MUST include photographer's name and name of image: JoeSmith-Oak tree.jpg. In order to ensure anonymous judging, please include no signatures or watermarks that would reveal the name of the photographer on the photo itself. Entries must be submitted by midnight, December 15, 2018, via email to, with “Photo Contest” in the subject line.

Winners will be contacted by January 15, 2019. The photographer retains full copyright to his or her images. However, participation in the contest requires the contestant to give Friends of Princeton Open Space permission to use the photographs without compensation on the website as well as in news releases which may appear in print or on third party websites for the purpose of publicizing the contest. Friends of Princeton Open Space will always include the photographer's name when using a photograph for any purpose.

For more information about FOPOS, please visit For those interested in volunteer opportunities or questions about the event or photo contest, please contact

Earlier Event: November 23
Photo Contest: Give Thanks For Nature
Later Event: December 16
Holiday Open House