Sierra Club Lower Hudson Group -- Rockland

Volunteer trail crews, public hikes, and stewardship events scheduled year-round -- see the Trail Conference calendar.

A volunteer-powered nonprofit that builds, maintains, and protects 2,000+ miles of public trails across New York and New Jersey, including the trails of Harriman, Bear Mountain, Hook Mountain, and the Long Path through Rockland. Volunteers can join trail crews, conservation projects, and member-group hikes.

Monthly programs September through June plus year-round bird walks and field trips -- see the Audubon events page for the current schedule.

Established in 1947 as a chapter of the National Audubon Society, Rockland Audubon is a nonprofit dedicated to the appreciation of nature and the preservation of a healthy environment. The chapter runs free bird walks, field trips, monthly programs, and habitat-stewardship work across Rockland.

Check Meetup for upcoming dinners, hikes, trivia nights, happy hours, and social events.

One of the best options for meeting new people locally, with a relaxed mix of dinners, hikes, trivia nights, happy hours, and social events around Rockland and nearby Bergen communities.