Delaware County, colloquially referred to as Delco, is a county in the Commonwealth of Pennsylvania. With a population of 576,830 as of the 2020 census, it is the fifth-most populous county in Pennsylvania and the third-smallest in area. The county was created on September 26, 1789, from part of Chester County and named for the Delaware River. The county is part of the Southeast Pennsylvania region of the state.
Concord Township is a township in Delaware County, Pennsylvania, United States. The population was 17,231 at the 2010 census. It contains the unincorporated communities of Concordville and Glen Mills.
Media is a borough in and the county seat of Delaware County, Pennsylvania, United States. It is located about 13 miles (21 km) west of Philadelphia. It is part of the Delaware Valley, also known as the Philadelphia metropolitan area.
Rose Valley is a small, historic borough in Delaware County, Pennsylvania, United States. Its area is 0.73 square miles (1.9 km2), and the population was 913 at the 2010 census. The area was settled by Quaker farmers in 1682, and later water mills along Ridley Creek drove manufacturing in the nineteenth century.
The Hagley Museum and Library is a nonprofit educational institution in unincorporated New Castle County, Delaware, near Wilmington. Covering more than 235 acres (95 ha) along the banks of the Brandywine Creek, the museum and grounds include the first du Pont family home and garden in the United States, the powder yards, and a 19th-century machine shop. On the hillside below the mansion lies a Renaissance Revival garden, with terraces and statuary, created in the 1920s by Louise Evelina du Pont Crowninshield (1877–1958).
Nether Providence Township is a first class township in Delaware County, Pennsylvania, United States. Many residents refer to the township by the name of its largest community, Wallingford, because the Wallingford postal code is used for most of the township. The population of the township was 13,706 at the 2010 census.
Upper Providence Township is a township in Delaware County, Pennsylvania, United States, located around and to the north of the borough of Media, and approximately 15 miles (24 km) west of center city Philadelphia. The population was 10,142 at the 2010 census. The township lies between Ridley Creek on the west and Crum Creek on the east. Most of Ridley Creek State Park is in the township, towards the northern edge. Zoning is 98% residential, 1% commercial and 1% industrial, with minimal space zoned to commercial business.
Washington Crossing State Park is a 3,575-acre (14 km2) New Jersey state park that is part of Washington's Crossing, a U.S. National Historic Landmark area. It is located in the Washington Crossing and Titusville sections of Hopewell Township in Mercer County, north of Trenton along the Delaware River. The park is operated and maintained by the New Jersey Division of Parks and Forestry. It is supported by the Washington Crossing Park Association, a friends group that works to preserve, enhance, and advocate for the park.
Brandywine Creek is a tributary of the Christina River in southeastern Pennsylvania and northern Delaware in the United States. The Lower Brandywine is 20.4 miles (32.8 km) long and is a designated Pennsylvania Scenic River with several tributary streams. The East Branch and West Branch of the creek originate within 2 miles (3 km) of each other on the slopes of Welsh Mountain in Honey Brook Township, Pennsylvania, about 20 miles (32 km) northwest of their confluence.
Ridley Creek State Park is a 2,606-acre (1,055 ha) Pennsylvania state park in Edgmont, Middletown, and Upper Providence Townships, Delaware County, Pennsylvania in the United States. The park, about 5 miles (8 km) north of the county seat of Media, offers many recreational activities, such as hiking, biking, fishing, and picnicking. Ridley Creek passes through the park. Highlights include a 5-mile (8 km) paved multi-use trail, a formal garden designed by the Olmsted Brothers, and Colonial Pennsylvania Plantation, which recreates daily life on a pre-Revolutionary farm. The park is adjacent to the John J. Tyler Arboretum. Ridley Creek State Park is just over 16 miles (26 km) from downtown, Philadelphia between Pennsylvania Route 352 and Pennsylvania Route 252 on Gradyville Road.
Rose Tree Park is located on Providence Road in Upper Providence Township, Pennsylvania in the suburbs of Philadelphia and used to be used for steeplechase racing. The park is 122 acres (0.49 km2) in size and is open to the public. There are benches, picnic tables, a gazebo, a nature trail, an outdoor amphitheater, and three historical buildings in the park. The Old Rose Tree Tavern is on the National Register of Historic Places. Besides offering daily recreational use, Rose Tree Park hosts a variety of special events.
First State National Historical Park is a National Park Service unit which lies primarily in the state of Delaware but which extends partly into Pennsylvania in Chadds Ford. Initially created as First State National Monument by President Barack Obama under the Antiquities Act on March 25, 2013, the park was later redesignated as First State National Historical Park by Congress.
The Newlin Mill Complex, also referred to as The Newlin Grist Mill, is a water-powered gristmill on the west branch of Chester Creek near Concordville, Pennsylvania built in 1704 by Nathaniel and Mary Newlin and operated commercially until 1941. During its three centuries of operation, the mill has been known as the Lower Mill, the Markham Mill, the Seventeen-O-Four Mill and the Concord Flour Mill. In 1958 the mill property was bought by E. Mortimer Newlin, restored and given to the Nicholas Newlin Foundation to use as a historical park. Water power is still used to grind corn meal which is sold on site. The park includes five historical buildings, which were added to the National Register of Historic Places in 1983, and 150 acres (61 ha) of natural woodland.
Star Gazers' Stone located on Star Gazers' Farm near Embreeville, Pennsylvania, USA, marks the site of a temporary observatory established in January 1764 by Charles Mason and Jeremiah Dixon which they used in their survey of the Mason-Dixon line. The stone was placed by Mason and Dixon about 700 feet (213 m) north of the Harlan House, which was used as a base of operations by Mason and Dixon through the four-and-a-half-year-long survey. Selected to be about 31 miles (50 km) west of the then southernmost point in Philadelphia, the observatory was used to determine the precise latitude of its location. The latitude of the Maryland-Pennsylvania border was then set to be 15 miles (24.1 km) south of the point in Philadelphia. The farm, including the house and stone, were listed on the National Register of Historic Places on May 9, 1985. In 2013 construction was completed on a parking area to allow public access to Star Gazers Stone.
Hockessin Friends Meetinghouse is a historic Quaker meeting house and national historic district located at 1501 Old Wilmington Road in Hockessin, New Castle County, in the U.S. state of Delaware. The district encompasses three contributing buildings and one contributing site. It was added to the National Register of Historic Places in 1973.
The Barns-Brinton House is an historic brick house located between Hamorton and Chadds Ford, Pennsylvania in Pennsbury Township, Chester County, Pennsylvania. It was constructed in 1714 by William Barns, who operated it as a tavern from 1722 until his death in 1731.
The Square Tavern, also known as the John West House, The Square, and the Newtown Square Tavern, is an historic, American tavern that is located Newtown Township, Pennsylvania. It was the boyhood home of painter Benjamin West, known for his work depicting events of 18th century American history.
The Thornton Village Historic District is a national historic district that is located in Thornbury Township, Delaware County, Pennsylvania. Situated in the crossroads at the intersection of Glen Mills and Thornton Roads in the village of Thornton, this district includes thirteen contributing buildings that were built between 1750 and 1855, some of which were created in the Federal style.
Breck's Mill Area, also known as Breck's Mill Area-Henry Clay Village Historic District, is a national historic district located along Brandywine Creek in unincorporated New Castle County, Delaware, near Wilmington. It encompasses 56 contributing buildings, five contributing sites, and three contributing structures. The district encompasses The Mill, The Workers' houses, and The Mill Owner's Home.
Alapocas Run State Park is a state park, located in Wilmington, Delaware, United States, along the Brandywine Creek and its Alapocas Run tributary. Open year-round, it is 415 acres (168 ha) in area. Much of the state park was created from land originally preserved by William Poole Bancroft in the early 1900s to be used as open space parkland by the city of Wilmington as it expanded. The park also includes the Blue Ball Barn, a dairy barn built by Alfred I. du Pont as part of his Nemours estate in 1914. In addition to walking trails, athletic fields, and playgrounds for children, one of the park's primary features is a rock climbing wall. The rock climbing wall is part of an old quarry across from historic Bancroft Mills on the Brandywine, and the quarry is also used for school educational programs centered on earth sciences.
