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South Mountain Extension Unit

South Mountain Extension Unit from directly overhead

South Mountain Extension Unit is a nature reserve in New York, at a modelled elevation of 661 m. Black Dome stands 1,217 m to the southeast, 9.8 miles off. The nearest named place is Blodgett Road Unit, a nature reserve 0.4 miles away. Route 20 Scenic Byway passes 28 miles off.

What to expect

Operated by
New York City Department of Environmental Protection, Bureau of Water Supply

Official site

How to reach it

Coordinates42.35287, -74.27915

Named places within 25 miles

Parks: 49
  • Ashland Park: 4.6 mi
  • C.D. Lane Park: 7.2 mi
  • Irish Cultural Center: 9.9 mi
  • Mine Kill State Park: 10.7 mi
  • Mountain Top Arboretum: 11.9 mi
Waterfalls: 49
  • Red Falls: 6.4 mi
  • Manor Kill Falls: 7.9 mi
  • Hardenburg Falls: 8.8 mi
  • Mine Kill Falls: 11.2 mi
  • Creamery Falls: 12.2 mi
Historic sites: 31
  • Donald Sutton Memorial Plaque: 3.7 mi
  • Susquehanna Turnpike: 6.1 mi
  • Post WWII Memorial: 9.1 mi
  • Eleazer Knowles: 13.1 mi
  • Early Sawmill: 13.1 mi
Museums: 24
Cliffs: 15
Artworks: 10
Attractions: 8
Springs: 3
Beaches: 3
Picnic sites: 2
Gardens: 1
  • Veterans Garden: 16.2 mi

Summits around it

The highest named summits within 11.5 miles of South Mountain Extension Unit. Elevation from each summit’s own record; bearing measured between the two coordinates.

SummitBearingElevationDistance
Black DomeSE 125°1,217.37 m9.8 mi
Thomas Cole MountainSE 128°1,204.87 m9.3 mi
BlackheadESE 123°1,200.91 m10.7 mi
Rusk MountainS 180°1,123.493 m10.5 mi
East RuskS 175°1,105.814 m10.6 mi
Camel's HumpSE 130°1,095.4 m8.7 mi
Vly MountainSW 229°1,079.3 m11.3 mi
Windham High PeakESE 111°1,077 m7.4 mi

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox07:0118:3219:09
June solstice05:2119:5520:38
September equinox06:4518:1918:56
December solstice07:2415:4316:28

Local time (America/New_York).

Climate normals

Months averaging 50–80 °F: May–Sep.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F212229415361656457463627
Precip in4.43.14.84.84.04.64.65.15.36.04.84.5

1991–2020 U.S. Climate Normals, NOAA NCEI — E Jewett, 11 mi away.

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMapOfficial site

OpenStreetMap element way/424230672

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