Natural monuments in Sussex County offer diverse landscapes, from towering waterfalls to expansive forests and serene lakes. This region, part of the Great Appalachian Valley, features a variety of natural features including mountains, rivers, and woodlands. Visitors can explore numerous trails and natural landmarks that showcase the area's ecological diversity. These natural areas provide opportunities for outdoor activities and observing local ecosystems.
Last updated: June 23, 2026
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Buttermilk Falls is the tallest waterfall in New Jersey. If you want to park your bike at the bottom of the falls, you can climb up to the top and to take in the vistas from the viewing platform.
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Lake Aeroflex is a 119-acre lake in Kittatiny Valley State Park. It is the deepest glacial lake in New Jersey. It is a popular place for kayaking and swimming. Several of the park's hiking trails run along the banks of the lake as well.
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Paulinskill River Wildlife Management Area is a 2,300 acre nature preserve along the Paulinskill River. The area is home to a variety of wildlife, including eagles, herons, turtles, and bobcats. The Sussex Branch Trail runs through the southern section of the WMA.
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The Wallkill Wildlife Refuge features a viewing area in the main parking lot along with a well-kept double-track hiking trail that circles around the property. You can easily connect to the Appalachian Trail that passes through the nearby Pochuck Mountain State Forest on its way east.
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Discover the enchanting Stokes State Forest, where forested mountains, pristine streams, and the awe-inspiring Sunrise Mountain offer a haven for nature enthusiasts. Whether seeking tranquility or outdoor adventure, Stokes has it all! Explore over 63 miles of trails leading to landmarks like the Appalachian Trail, Tillman's Ravine, and Stepping Stones Falls.
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Running along the New Jersey and Pennsylvania border, Kittatinny Mountain is a unique part of the Great Appalachian Valley, offering fantastic, panoramic views.
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This trail climbs to the top of Buttermilk Falls, a long, tumbling cascade that happens to be one of the tallest waterfalls in the state of New Jersey. Keep in mind, no swimming or wading is permitted in the waterfall itself, or within 50 feet upstream.
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This is a very pleasant spot, popular with fishing enthusiasts and families.
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Sussex County is rich in diverse natural features. You'll find impressive waterfalls like Buttermilk Falls, serene lakes such as Lake Musconetcong and Lake Aeroflex, and extensive forested mountains like those found in Stokes State Forest. The region also features rivers, including the Wallkill River, and offers numerous viewpoints.
Buttermilk Falls is New Jersey's tallest waterfall. Visitors can climb to the top to enjoy panoramic vistas from a dedicated viewing platform. It's a dramatic and beautiful natural sight.
Yes, several natural monuments in Sussex County are great for families. Lake Musconetcong, Lake Aeroflex, and Lake Ocquittunk are all noted as family-friendly. Additionally, Kittatinny Mountain and the Paulinskill River Wildlife Management Area also welcome families.
Lake Musconetcong is specifically highlighted as a dog-friendly natural monument, making it a great spot to visit with your canine companion.
The natural monuments in Sussex County are surrounded by opportunities for outdoor activities. You can find numerous trails for hiking, including routes in Stokes State Forest and near Buttermilk Falls. There are also options for running and cycling on various trails throughout the region.
Stokes State Forest offers over 63 miles of trails. These include sections of the Appalachian Trail, Tillman's Ravine, and Stepping Stones Falls, providing diverse options for nature enthusiasts.
Yes, several natural monuments offer excellent viewpoints. You can climb to the top of Buttermilk Falls for vistas, or visit Kittatinny Mountain, which provides fantastic panoramic views. The View of the Wallkill River also offers a scenic perspective.
Lake Musconetcong is a 329-acre reservoir that is part of Hopatcong State Park. It is particularly known for being a family-friendly and dog-friendly location, making it ideal for a relaxed outing.
Lake Musconetcong is categorized as a historical site in addition to being a natural monument. While the focus is on natural beauty, some areas may have historical significance.
While specific wildlife details for each monument are not extensively listed, natural areas like Paulinskill River Wildlife Management Area and the Wallkill River region are typically rich in local ecosystems, offering opportunities for birdwatching and observing various native species in their natural habitats.
The best time to visit depends on your preferred activities. Spring and fall offer pleasant temperatures for hiking and exploring the forests and waterfalls. Summer is ideal for water-based activities at the lakes. Winter can provide unique, serene landscapes, especially in forested areas like Stokes State Forest, though some trails might be more challenging.
Yes, the View of the Wallkill River is located within the Wallkill Wildlife Refuge, which features a well-kept double-track hiking trail that circles the property. You can even connect to the Appalachian Trail from there.


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