Holiday Open House

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As you enjoy the miles of wooded trails in the Billy Johnson Mountain Lakes Nature Preserve, Friends of Princeton Open Space invites you to their annual Holiday Open House at the Mountain Lakes House to warm up with cider, treats and a holiday themed art activity. Stop in anytime between 1PM and 3PM. This family-friendly event is free and open to everyone.

Sunday, December 16, 1-3PM
57 Mountain Avenue
Princeton, New Jersey

While this event is free, please consider pre-registering to help us plan for attendance. For information about Friends of Princeton Open Space, please visit For questions about this event, please email

Photo Contest: Give Thanks For Nature


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. Special thanks to REI for the donation of prizes for the contest winners!

For questions, please contact

JOB ALERT: Natural Resources Manager

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Friends of Princeton Open Space seeks a part-time (30-hour work week) Natural Resources Manager to oversee land stewardship in the Mountain Lakes Open Space Area.  This position reports to the Friends of Princeton Open Space Board of Trustees and the Chair of the Natural Resources Committee. Responsibilities include designing and implementing habitat restoration and enhancement projects, controlling invasive plant species, leading volunteer workdays, conducting plant inventories, and creating community outreach and education programs.

Candidate must possess a passion for conservation, desire to work outdoors, and ability to conduct physically strenuous fieldwork. A Bachelor’s Degree in Ecology, Natural Resource Management, or a related field is required. Qualifications include: knowledge of local flora and fauna, management of invasive plant species, excellent interpersonal skills, and ability to work independently. Experience with GPS/GIS preferred. NJ Pesticide Applicator License is a plus.

Work Responsibilities:

Land Stewardship (70%)

  • Design and implement habitat restoration and enhancement projects.
  • Control invasive plant species and inventory populations of plants.
  • Design training materials.  Recruit, train, and supervise volunteers and record hours.
  • Lead frequent volunteer workdays.
  • Oversee and work with contractors and consultants.
  • Collect seed and propagate/care for plants to be used for habitat restoration efforts.
  • Train and oversee summer interns.

Education and Outreach (15%)

  • Develop educational programs for the general public, community groups, school, scout groups, and donors to educate about local ecology, local natural history, as well as continued conservation and management efforts of FOPOS.
  • Develop and present interpretive displays and brochures.  
  • Ensure a coordinated approach to community outreach and education.
  • Track and report results of education and outreach efforts in a way that will contribute to continuous improvement of programming.

Communication and Coordination (10%)

  • In collaboration with FOPOS Marketing Communications Consultant, develop and maintain communication tools. Collect images during trail work to provide Marketing Consultant with timely, relevant content. Some website work is necessary; knowledge of SquareSpace and Mailchimp a plus.
  • Provide FOPOS Marketing Consultant with images and description of volunteer days, notable success stories, completed projects, ongoing efforts, and support the spread of the FOPOS mission.
  • Maintain regular communication with varied partners and provide regular opportunities for networking and engagement with a goal of ensuring a connected and informed network.
  • Cultivate and maintain collaborative relationship with agencies, organizations and business representatives.

Grant Obligations (5%)

  • Identify funding sources and communicate those with board.
  • Coordinate and contribute to proposal development.
  • Coordinate and ensure timely proposal submission.
  • Manage funded projects, including project planning, and implementation.

To apply, please send cover letter, resume, and list of 3 references in one document to:

Clark Lennon, Chair of the Natural Resources Committee:  and cc: Wendy Mager, President of the Board of Trustees:

3rd Annual Photo Contest Results

After 3 weeks of photography and submissions, the results are in! We had 41 photos submitted and much deliberation was required.  Thank you to everyone who participated.  Below are the three winning photos. 


Third Place, Lake Foliage by Niels Kistrup

Third Place, Lake Foliage by Niels Kistrup

Second Place, Spring Overflow by Jennifer Driscoll

Second Place, Spring Overflow by Jennifer Driscoll

First Place, Bridge Vista by Monika Reimitz

First Place, Bridge Vista by Monika Reimitz