Heberly Run is a tributary of East Branch Fishing Creek in Sullivan County, Pennsylvania, in the United States.

It then turns roughly south and its valley becomes very deep, reaching heights of approximately 500 feet (150 m) within 2 miles (3.2 km).

Eventually, Heberly Run turns southeast and then east, its valley becoming 700 feet (210 m) deep.

[1] Heberly Run joins East Branch Fishing Creek 4.50 miles (7.24 km) upstream of its mouth.

[3] The concentration of aluminum at the headwaters of Heberly Run is 0.24 milligrams per liter and the daily load is 11.73 pounds (5.32 kg).

The concentration is 0.18 milligrams per liter and the load is 18.98 pounds (8.61 kg) downstream of Meeker Run.

At Heberly Run's mouth, the concentration is 0.15 milligrams per liter and the daily load is 29.54 pounds (13.40 kg).

[5] Upstream of the waterfalls, there are smooth sandstone outcroppings in the streambed of Heberly Run.

[8] The vicinity of Heberly Run is described as "very scenic" in the Sullivan County Natural Areas Inventory.

[5] The low pH of Heberly Run makes it difficult for fish to reproduce in the stream.

[3] Heberly Run flows through the Pennsylvania State Game Lands Number 13.

[6] A hiking trail known as Waterfall Wonderland follows Heberly Run for part of its length.