Portal D

Portal D is a cave in , , . Portal D is situated nearby to the cave , as well as near .

Places of Interest Nearby

Highlights include Raven Rock Mountain Complex and Jacks Mountain Covered Bridge.

Military installation
The , also known as Site R and simply The Rock, is a U.S. military installation with an underground near . is situated 3,100 feet southwest of Portal D.

Bridge
Photo: Smallbones, CC0.
The is an historic covered bridge which is located in Hamiltonban Township, , United States. It was added to the National Register of Historic Places in 1980. is situated 2½ miles northeast of Portal D.

Places in the Area

Nearby places include Maria Furnace and Iron Springs.

Hamlet
is a South Mountain populated place on Toms Creek in , United States, west of , that was the location of an 1822 blast furnace until operations were moved to . is situated 2½ miles north of Portal D.

Hamlet
is a South Mountain populated place on Toms Creek, in , United States, located west of , that is near the location of the 1822 Maria Furnace. is situated 2½ miles north of Portal D.

Hamlet
, Pennsylvania, is an unincorporated community which was added to the USGS Geographic Names Information System on August 2, 1979. After the site was surveyed c. 1839 for the never-completed Tapeworm Railroad, the summit community was settled on the… is situated 3 miles west of Portal D.

Portal D

Latitude
39.73829° or 39° 44′ 18″ north
Longitude
-77.41262° or 77° 24′ 45″ west
Open location code
87F4PHQP+8X
Open­Street­Map ID
node 798797663
Open­Street­Map feature
natural=­cave_entrance
This page is based on OpenStreetMap, Wikidata, and Wikimedia Commons.
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Satellite Map

Discover Portal D from above in high-definition satellite imagery.
© Stadia Maps, Airbus DS, CNES, PlanetObserver, and Copernicus

Notable Places Nearby

Highlights include Portal C and Fountaindale Lutheran Church Cemetery.

Nearby Places

Explore places such as Site R Wastewater Plant and Raven Rock Mountain Complex.

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