Pine Creek is a short tributary of the Rock River

Rock River (Illinois)

The Rock River is a tributary of the Mississippi River, approximately long, in the U.S. states of Wisconsin and Illinois. It rises in southeast Wisconsin, in the Theresa Marsh near Theresa, Wisconsin in northeast Dodge County, Wisconsin approximately south of Fond du Lac, Wisconsin...

 that flows through western Ogle County in the U.S. state

U.S. state

A U.S. state is any one of the 50 federated states of the United States of America that share sovereignty with the federal government. Because of this shared sovereignty, an American is a citizen both of the federal entity and of his or her state of domicile. Four states use the official title of...

 of Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

.

Course

Pine Creek rises where several stream branches come together south of Illinois Route 64

Illinois Route 64

Illinois Route 64 is an east–west road in north-central Illinois. Its western terminus is at the Iowa state line, connecting with U.S. Route 52 and Iowa Highway 64 via the Savanna-Sabula Bridge at the Mississippi River west of Savanna...

. The creek then flows 17 miles (27.4 km) to the south to join the Rock River between Grand Detour and Dixon

Dixon, Illinois

Dixon is a city in Lee County, Illinois, United States. The population was 15,733 as of the 2010 census, down from 15,941 at the 2000 census. Named for its founder, John Dixon , it is the county seat of Lee County. Located on the Rock River, Dixon was the boyhood home of former U.S...

. The stream's upper miles flow through mostly pasture land until 7 miles downstream Pine Creek enters White Pines Forest State Park

White Pines Forest State Park

White Pines Forest State Park, more commonly referred to as White Pines State Park, is an Illinois state park in Ogle County, Illinois. It is located near the communities of Polo, Mount Morris and Oregon...

.

State park

Beginning a few miles upstream from the park Pine Creek begins winding through glacial ridges and then enters White Pines State Park. For almost a half mile through the park the creek winds through steep valleys and its banks are lined by tall bluffs

Cliff

In geography and geology, a cliff is a significant vertical, or near vertical, rock exposure. Cliffs are formed as erosion landforms due to the processes of erosion and weathering that produce them. Cliffs are common on coasts, in mountainous areas, escarpments and along rivers. Cliffs are usually...

. The large rock and cliff formations provide habitat to plants ranging from large trees to moss to hanging vines. The cliffs harbor such rare plants as Canada yew

Taxus canadensis

Taxus canadensis is a conifer native to central and eastern North America, thriving in swampy woods, ravines, riverbanks and on lake shores. Locally called simply "Yew", this species is also referred to as American Yew or Ground-hemlock.Most of its range is well north of the Ohio River...

 and sullivantia (family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 Saxifragaceae

Saxifragaceae

Saxifragaceae is a plant family with about 460 known species in 36 genera. In Europe there are 12 genera.The flowers are hermaphroditic and actinomorphic...

), an Illinois state-threatened species.