From the site: Is camping allowed? As of the 2019 season, camping at Birch Grove Park has been discontinued.
✅ Amenities & Features
ElectricFull-hookupsPetsPull-thruSewerTentsWater
📖 About This Campground
Birch Grove Park & Family Campground in Northfield New Jersey is a city managed park with full, partial, and primitive (no water, electric, or sewer) hookup RV and tent camping in a wooded setting for short and seasonal stays.