Lyons Park in Upper Saddle River NJ has a very nice fenced in playground with lots of different areas for the kids to spread out. The play area is in two sections for each age group. The toddler section has a ramp for handicap accessibility. There is a fire truck to sit in, along with lots of little bouncers.

DIRECTIONS: Route 17 N Lake St exit. Proceed on Lake St through three traffic lights. The park will be after the third light at bottom of hill on the left.
PARKING: Large paved lot close to the playground.
CLIMBING: Rings, rappelers, wiggle poles, balance beams, monkey bars, fireman pole, wiggle poles
PLAYTHINGS: Multiple tic-tac-toes with shape matching, color matching, number matching, steering wheels, tunnels, shape sorter, call boxes, store front, puzzles, clock, looking glasses
SEESAWS: Small two seater bouncer that looks like a see saw, fireman’s truck also bounces
SLIDES: One steep metal slide. One corkscrew, one double, one chute, one tube. One toddler corkscrew, one toddler chute, one toddler tube.
SPORTS: Baseball fields
SWINGS: Four full size, four toddler, one tire
WALKING PATHS: Paved around the park
OTHER COOL STUFF: Balance beam that wiggles as you walk across it.