Lebanon Township, Hunterdon County, NJ
746 acres


Located in Hunterdon County in the wooded hills of northern Hunterdon County, two miles north of the town of High Bridge. From High Bridge, go north on County Road 513 (High Bridge - Long Valley Road) to park entrance on left side of road (across from Voorhees High School).

From Interstate 78 (Exit 17) take Route 31 North to Route 513 north and turn left into the main entrance (across from Voorhees High School) near mile marker 17. 


1929 --  Foster M. Voorhees, a former Republican Governor of New Jersey (1899-1902), donates his 325 acre farm known as "Hill Acres" to the state of New Jersey to become a park.

1930's -- the Civilian Conservation Corps maintained a camp at Voorhees State Park. The housed as many as 200 men. The CCC was responsible for the planting of forest trees and the development of shelters, picnic sites, roads, parking areas, and trails throughout the park.

Today  --  the park is now a multi-purpose recreational facility offering a variety of programs and activities.

The park is the site of the NJ Astronomical Association's observatory. Officially named the Edwin Aldrin Astronomical Observatory, in honor of the NJ native who was the second US astronaut to set foot on the moon.


This small but rugged park includes densely wooded hills, a brook, pond, and hardwood forest.

North of the Piedmont, in area of the Highlands and the Ridge and Valley Sections, the plant species in the successional stages of old field differ from those of the Piedmont. At Voorhees State Park one can find typical North Jersey early woodland stages dominated by gray birch and large-toothed aspen. 


A family campground with about 30 primitive sites for tents and trailers open all year.


The white Cross Park Road goes from the Hoppock Grove parking area to the area of the Aldrin Observatory.  The blue Hill Acres Trail heads from the parking area to the Camp Ground. 

From the Hoppock Grove parking area you can proceed clockwise in a circle taking the orange Brookside Trail that goes alongside Willoughby Brook and then onto the green Tanglewood Trail that brings you back to the parking area.

10/18/03.  Took the short circular walk using the orange Brookside Trail and then the green Tanglewood Trail.

Dr. Patrick L. Cooney
* = blooming on 10/18/03

Acer saccharum (sugar maple)
Betula alleghaniensis (yellow birch)
Betula lenta (black birch)
Carpinus caroliniana (musclewood)
Carya ovata (shagbark hickory)
Cornus florida (flowering dogwood)
Fagus grandifolia (American beech)
Fraxinus americana (white ash)
Larix laricina (larch)
Liriodendron tulipifera (tulip tree)
Ostrya virginiana (American hop hornbeam)
Picea abies (Norway spruce)
Pinus sylvestris (Scots pine) ?
Populus grandidentata (big toothed aspen)
Prunus serotina (black cherry)
Quercus alba (white oak)
Quercus prinus (chestnut oak)
Quercus rubra (red oak)
Quercus velutina (black oak)
Sassafras albidum (sassafras)

Berberis thunbergii (Japanese barberry)
Chimaphila maculata (striped wintergreen)
Hamamelis virginiana (witch hazel)
Lindera benzoin (spicebush)
Rhus typhina (staghorn sumac)
Rosa multiflora (multiflora rose)
Rubus phoenicolasius (wineberry)
Rubus sp. (blackberry)
Vaccinium sp. (blueberry)
Viburnum acerifolium (maple-leaf viburnum)
Viburnum dentatum (arrowwood viburnum)
Viburnum plicatum (double-file viburnum)
Viburnum prunifolium (blackhaw viburnum)

Lonicera japonica (Japanese honeysuckle)
Menispermum canadense (Canada moonseed)
Parthenocissus quinquefolia (Virginia creeper)
Smilax rotundifolia (round-leaved greenbrier)
Vitis sp. (grape)

Actaea alba (white baneberry)
Alliaria petiolata (garlic mustard)
Allium vineale (field garlic)
Amphicarpaea bracteata (hog peanut)
Arisaema triphyllum (Jack in the pulpit)
Aster spp. (heath aster type) *
Cimicifuga racemosa (black snakeroot)
Collinsonia canadensis (horsebalm)
Desmodium rotundifolium (round-leaved tick trefoil)
Epifagus virginiana (beech drops)
Eupatorium rugosum (white snakeroot) *
Geum canadense (white avens)
Lobelia inflata (Indian tobacco)
Monotropa uniflora (Indian pipe)
Oxalis sp. (yellow wood sorrel)
Polygonatum pubescens (hairy true Solomon's seal)
Polygonum virginianum (jumpseed)
Prenanthes sp. (rattlesnake root) *
Solidago caesia (blue-stem goldenrod) *
Verbascum thapsus (common mullein)

Carex laxiflora type (loose flowered sedge type)

Microstegium vimineum (Japanese stilt grass)

Asplenium platyneuron (ebony spleenwort)
Osmunda cinnamomea (cinnamon fern)
Polystichum acrostichoides (Christmas fern)
Thelypteris hexagonoptera (broad beech fern)
Thelypteris noveboracensis (New York fern)