Skip to content

Hammermill Three Sister Stacks

Marked no entry. Do not count on getting in.

Hammermill Three Sister Stacks from directly overhead

Hammermill Three Sister Stacks is a historic site in Pennsylvania, at a modelled elevation of 184 m. Pleasant Hill stands 495 m to the south-southeast, 24 miles off. The nearest named place is Lighthouse Park, a park 0.2 miles away. Great Lakes Seaway Trail passes 0.4 miles off. 5 named summits stand within 25 miles.

How to reach it

Coordinates42.14576, -80.05805

Named places within 25 miles

Parks
Historic sites: 22
  • Erie Heritage Parade Street Memorial: 1.3 mi
  • Von Buseck House: 1.4 mi
  • Judah Colt House: 1.4 mi
  • Russian Town: 1.4 mi
  • 9/11 Memorial: 1.6 mi
Museums: 18
Peaks: 5
Artworks: 4
  • Fruits of Labor: 1.8 mi
  • Nittany Lion Shrine: 4.4 mi
  • Schaefer's Auto Art: 8.0 mi
  • Jon's Fish Statue: 23.7 mi
Attractions: 3
Waterfalls: 2

Summits around it

The highest named summits within 25 miles of Hammermill Three Sister Stacks. Elevation from each summit’s own record; bearing measured between the two coordinates.

SummitBearingElevationDistance
Pleasant HillSSE495 m23.8 mi
Mackey HillSSE488 m21.8 mi
Gibson HillSSW470 m20.6 mi
Mount PleasantS454 m20.3 mi
Oak HillSSE433 m17.1 mi

When to go

Light through the year

DateSunriseGolden hourSunset
March equinox07:2418:5619:33
June solstice05:4520:1821:01
September equinox07:0818:4219:19
December solstice07:4616:0716:52

Local time (America/New_York).

Climate normals

Months averaging 50–80 °F: May–Oct.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °F282936475968737265544434
Precip in3.42.53.13.53.53.73.33.44.34.43.84.2

1991–2020 U.S. Climate Normals, NOAA NCEI — Erie Intl AP, 8 mi away.

Where this comes from

Location and category confirmed against OpenStreetMap.

OpenStreetMap

OpenStreetMap element node/7529999510

More historic sites in Pennsylvania
Private beta · Free to join

Take the scenic way.

Byway plans around your taste, mapped places, real weather and opening hours — then opens every leg in Google Maps with one tap.

Private beta · Free to join · No card · Invite when a spot opens