Hiking trails and nature programs
Lorrimer Sanctuary in Franklin Lakes is a 14-acre nature preserve with a self-guided trail system winding through second-growth woods and a visitors center in a historic house dating to the late 1700s; the site offers year-round outdoor exploration, naturalist-led programs for kids, and a gift shop.
Free · Indoor & outdoor · Rainy-day pick · Quiet-friendly · Programs for ages 18 months through 12 years
Lucy's Trail is wheelchair accessible; other trails are open dawn to dusk daily.
Muddy Hands Academy (ages 3-6) and Tiny Tots (18 months to 3 years) are twice-weekly outdoor programs.
After-school nature clubs run Wednesday afternoons for ages 4-7 and ages 8-12; these are drop-off programs.
Birthday parties require NJ Audubon membership; parties are 2 hours (1 hour program with a naturalist, 1 hour pavilion access for food and cake).
The nature center and gift shop close Mondays and Tuesdays; trails are always open dawn to dusk.