|Location||Worthington State Forest, Hardwick Township, Warren County, New Jersey|
|Basin countries||United States|
|Surface area||44 acres (18 ha)|
|Surface elevation||1,379 ft (420 m)|
Sunfish Pond is a 44-acre (18 ha) glacial lake surrounded by a 258-acre (104 ha) hardwood forest located on the Kittatinny Ridge within Worthington State Forest, adjacent to the Delaware Water Gap National Recreation Area in Warren County, New Jersey. The Appalachian Trail runs alongside the western and northern edges of the lake. It was created by the Wisconsin Glacier during the last ice age. The lake was declared a National Natural Landmark in January 1970.
In 1965, there was a plan to create a reservoir which would have covered the lake. Casey Kayes, a local custodian, led 655 people on a hike to protest the plan. Further hikes and letter campaigns caused the power companies that owned the land to donate it to the state in 1966. Supreme Court Justice William O. Douglas mentioned the lake in his dissenting opinion in the Sierra Club v. Morton case.
Flora and fauna
The lake is surrounded by stands of mountain laurel, sheep laurel, and Cunila origanoides. Nearby are fields of Symphoricarpos orbiculatus. The lake itself also has Drosera rotundifolia growing near the edge.
It is a popular hiking destination. Several trails reach the lake, including the Appalachian Trail, which runs alongside the western and northern edges of the lake. It is the southernmost glacial tarn along that trail.
The shortest distance is 1.5 miles from the trailhead. The trails are steep and rocky in places. There is no swimming in the lake. There is a Leave No Trace campground about 1/4 mile away, but proper food precautions must be followed since black bears are active in the area.
There is a collection of ad hoc primitive rock artworks (cairns) along the northwestern shore. As of May 27, 2012, many of these piles of rocks have been pushed over.
- "National Natural Landmark Summary". NPS. Feb 5, 2004. Retrieved 2009-03-19.
- "Hiking Sunfish Pond". NYNJCTBotany.org. Retrieved 2009-03-19.
- Brill, Douglas B. (February 1, 2009). "Casey Kays, considered founder of environmental movement in New Jersey, is dead at 85". lehighvalleylive.com. Retrieved 2009-03-19.
- "SIERRA CLUB v. MORTON 405 U.S. 727 (1972)". Supreme Court of the United States. 1972. Retrieved 2009-03-19.
- "Appalachian Trail: Sunfish Pond & Mount Mohican". Retrieved 2009-03-19.
- "Sunfish pond". Retrieved 2009-03-19.
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