Welcome to Belclare Farm. Located in Warren County, New Jersey, one mile off Interstate 78 (exit 4) in Stewartsville, NJ. Established in 1979, Belclare Farm has been actively involved in the horse industry ever since. Family owned, it offers a rural and relaxed environment. The 80-acre facility includes 2 indoor arenas, 2 outdoor arenas, a 5/8 mile exercise track, a cross country course, trails, 14 individual turnout paddocks and 8 pasture fields.