Penn Valley is an unincorporated community located within Lower Merion Township, Pennsylvania, United States.

Penn Valley residents share a zip code with Merion, Narberth, or Wynnewood because the community does not have its own post office.

The dairy farm on the Penshurst property was one of the most productive in all of Pennsylvania, with modern milking machines and numerous barns.

Today, the only remaining signs of the mansion are its former gates that can be seen as Conshohocken State Road bends left toward Gladwyne and Ardmore.

Although that building was razed around 1926, its remains can be seen today set back from Fairview Road as it winds steeply down to Route 23.

[3] Another historic building was located at the corner of Fairview Road and Summit Avenue, a small frame house with a Queen Porch built for the Centennial.

[4] During the period of the American Revolution, Benjamin Franklin, who was the United States Postmaster General, insisted on having stone milestone markers to keep postal riders on schedule.

In 1793 the Mutual Assurance Fire Company of Philadelphia erected milestones to honor William Penn's family in return for its donation of land.

The railroad runs from 30th Street Station in downtown Philadelphia due west through the communities of Overbrook, Merion, Narberth/Penn Valley, Wynnewood, Ardmore, Haverford, Bryn Mawr, Rosemont, Villanova, Wayne, Strafford, Saint Davids, Devon, Berwyn, Daylesford, and Paoli.

Lower Merion Township maintains its recycling and refuse burning center at the foot of Woodbine Avenue in Penn Valley, just beyond the limits of Belmont Hills, the easternmost section of the township that slopes down to the Schuylkill River, flanked by Fairmount Park.

Police and public works are managed in the Lower Merion Township Office Building at 75 East Montgomery Avenue in Ardmore.

SEPTA's 121 and 44 lines run through Penn Valley between Center City and Gladwyne, Pennsylvania, on weekdays.

Before Welsh development, Penn Valley's forest was home to bears, cougars, wolves, rattlesnakes, otters, beavers, weasels, turkeys, grouses, woodland bison, trout, and bald eagles.

However, after forest destruction by the Welsh and home building after World War II, most of the rarer animals left.

[12] Today, the area is filled with squirrels, chipmunks, rabbits, white-footed mice, horned owls, red-tailed hawks, red foxes, opossums, skunks, raccoons, woodchucks, pheasants, songbirds, crayfish, butterflies, and white-tailed deer.

They can halt traffic, destroy the forest underbrush, devour expensive ornamental flowers, and spread Lyme disease.

Over the air waves KYW Newsradio 1060 AM follows events in the city and suburbs by the minute and local television stations KYW-TV (CBS 3), WCAU (Channel 10), WPVI-TV (6 ABC), WPHL-TV (PHL17), and WTXF-TV (FOX 29) broadcast news and entertainment 24 hours a day.

In 1994 a 4.6 mb earthquake took place 46 miles from Penn Valley, with a maximum Mercalli intensity of V (Moderate), causing some damage in the Reading area.

[20] In both 1994 and 1995, tornadoes took place within 20 miles of Penn Valley, resulting in four deaths and causing millions of dollars of property damage.