The mountains on either side of Bushkill Creek contained quarries of flagging, curbing and building stone (also known as bluestone).
The railroad entered Forestburgh at the Town's northern border and extended through it in a southerly direction along the Bushkill Creek Valley.
In addition to assisting the Town's industrial base, the railroad also brought summer residents from New York City.
Many homes in Oakland Valley began operating as boarding houses during the summer months when city residents came north on the train from New York.
The Hartwood Club and Merriewold Park were born, and the Convent of St. Joseph's was established, along with summer camps for boys and girls and a Catholic boarding school.
The Neversink River has been recognized by The Nature Conservancy as one of “75 Last Great Places” based on its superior water quality and ability to support rare and pollution-sensitive species of mussels, which occur in the Neversink River approximately 6.5 miles (10.5 km) below the Unique Area.
The portion of the Neversink River flowing through Forestburgh has long been recognized as having an excellent trout fishery.
New York State also owns a considerable amount of land that straddles the Mongaup River in the Town of Forestburgh and the neighboring Towns of Lumberland (Sullivan County) and Deerpark (Orange County), and owns conservation easements (from Orange and Rockland Utilities and Clove Development Corp.) for many more acres, thus prohibiting future development.
Orange and Rockland Utilities, Inc. and/or its parent company Mirant Corp. own 764 acres (3.09 km2) of land in Forestburgh along the Mongaup River.
Mammals found in the Town include whitetail deer, black bear, eastern gray squirrel, red squirrel, eastern cottontail, varying hare, common porcupine, gray fox, red fox, mink, otter, beaver, woodchuck, raccoon, skunk, muskrat, coyote and fisher.
Approximately 200 species of birds have been identified in the area as part of a natural resource study for the Upper Delaware Scenic and Recreational River.
Approximately ninety percent of Forestburgh's 35,000 acres (140 km2) is forested land; this percentage is believed to be the highest in Sullivan County.
East of the Bush Kill Road the land is a mixture of brush, wooded wetland, deciduous and mixed forest.
The Forestburgh Playhouse has continued to offer its own unique version of summer theatre to audiences of Sullivan County.
Among the most important are the Forestburgh log cabin, one of the earliest structures built in Sullivan County, the Blackbrook District School, the Stokes-Hartwell Mill Foundation, David H. Handy's Grave, the Railroad Station (Gilman's Depot), Sho-Foo-Den (an elegant Japanese wooden structure from the 1904 St. Louis Centennial Exhibition, moved and re-assembled at Merriewold in 1905 by Jokichi Takamine), and the old Hartwood Post Office.
Built in the eighteenth century the Forestburgh log cabin was covered up by a later period structure for many years.
Built by Jesse Dickinson, a noted constructor of mills, it was originally owned by Stokes who was a County Judge and a member of the assembly.
The railroad was the major transportation mode used to bring visitors to St. Joseph in the late nineteenth and early twentieth centuries.
Other outstanding historical and architectural resources include the Old Town Hall, the Forest Shrine and Cardinal Hayes Memorial, St. Thomas Aquinas Church, the Old Forestburgh Graveyard, the Ontario and Western Railroad Bridge and the Hartwell - Benzien Stone Wall.