Plotter Kill Preserve

Moccasin Kill is a river in the state of New York. It flows into the Mohawk River by Rotterdam.

Plotter Kill is a river that flows into the Mohawk River east of Rotterdam Junction, New York.

Washout Creek flows into the Mohawk River near Rotterdam Junction, New York.

The Mabee House, on the grounds of the Mabee Farm Historic Site, (part of the Schenectady County Historical Society), is the oldest house still standing in the Mohawk Valley. It is located in the town of Rotterdam, New York, in the hamlet of Rotterdam Junction, New York, along New York State Highway 5S, about six miles (9.7 km) west of the city of Schenectady. The property includes the original 1705 stone Mabee House, a 1760s brick house, a 1790s inn, a family cemetery and more, sits alongside the banks of the Mohawk River and was donated to the Schenectady County Historical Society on January 29, 1993. An H-bent frame Dutch barn, dating from the 1760s, was acquired from the Nilsen family in 1997, moved from Johnstown, N.Y., restored, and re-installed at the Mabee Farm Historic Site. Various educational programs and events are now offered to the public there. In 2007, 27 acres were purchased from a neighboring property and are now the location of the George E. Franchere Education Center, which opened in 2011.

Schenectady County () is a county in the U.S. state of New York. As of the 2020 census, the population was 158,061. The county seat is Schenectady. The name is from a Mohawk language word meaning "on the other side of the pine lands," a term that originally applied to Albany. Schenectady County is part of the Albany-Schenectady-Troy, NY Metropolitan Statistical Area, and is west of the confluence of the Mohawk with the Hudson River. It includes territory on the north and the south sides of the Mohawk River.

WYAI (93.7 FM) is a listener-supported, non-commercial Christian worship radio station licensed to Scotia, New York, and serving the Capital District and Mohawk Valley. The station is owned by Educational Media Foundation and broadcasts at 1,250 watts effective radiated power from a location near Rotterdam Junction, New York. The station is an owned-and-operated station (O&O) of EMF's Air1 network.

Enlarged Double Lock No. 23, Old Erie Canal is a historic Erie canal lock located at Rotterdam in Schenectady County, New York. It was built in 1841-1842 as part of the First Enlargement. It is built entirely of large cut limestone blocks, laid regular ashlar, and mortared with hydraulic cement. The Northeast lock chamber is 110 feet (34 m) long and 18 feet (5.5 m) wide; the Southwest lock chamber is 220 feet (67 m) long and 18 to 20 feet (6.1 m) wide; and the Center pier is 100 feet (30 m) long and 26 feet (7.9 m) wide. The Southwest lock chamber was expanded in 1889–1890. Lock 23 fell into disuse after the opening of the New York State Barge Canal in 1918. The lock chambers contain no water and the area is open as a local park. The site was reclaimed and stabilized by local volunteers starting in 1999. A replica of a board and batten locktender's hut was constructed between 2000 and 2003 by students from the Union College Department of Civil Engineering.It was added to the National Register of Historic Places in 2008.

Schalmont High School is a public high school located in the Town of Rotterdam, New York State. It is part of the Schalmont Central School District, which serves communities in Schenectady, Albany and Montgomery Counties. The high school is attached to Schalmont Middle School.

Via Port Rotterdam, formerly Rotterdam Square, is a shopping mall located in Rotterdam, New York, United States. When it opened, the mall was originally called Rotterdam Square and owned by Wilmorite Properties (who also owned Wilton Mall in Wilton) until 2005, when Wilmorite was acquired by The Macerich Company, who then took over ownership and management of most of their properties. The mall has an area of 900,000 square feet (84,000 m2) on one level with 36 stores, a 450-seat food court as well as restaurants, an aquarium, entertainment center, and a seven-screen Sony-Loews Cineplex, now operated by Zurich Cinemas (independent company). The mall was purchased by Kohan Retail Investment Group in January 2014, and was later sold to Via Properties in June 2015. In 2016, Via Properties renamed the mall to Via Port Rotterdam.

Pattersonville-Rotterdam Junction was a census-designated place (CDP) in Schenectady County, New York, United States. The population was 918 at the 2000 census. The area was not delineated as a CDP for the 2010 census. The CDP was in the town of Rotterdam and took its name from two hamlets in the town.