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Lower Lake

Hempfield · Unity, Pennsylvania — Westmoreland County.

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21Surface acres

Surface area: The USGS National Hydrography Dataset outline (NHD Permanent ID 125292501).

Nearest airports

The closest airport with scheduled passenger flights to Lower Lake, plus larger airports within about 150 miles:

Compare car rentals near this lake

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Airports with scheduled airline service from OurAirports (large and medium airports); larger airports are FAA large, medium and small hubs by FAA CY2025 enplanements ("major airport" = FAA large hub). Distances are straight-line from the lake's center, not driving distance; road routes are longer.

Location & fast facts

Where Lower Lake is in Pennsylvania

The red circle marks Lower Lake.

Fast facts

About Lower Lake

  • County: Westmoreland
  • Shore towns: Hempfield, Unity
  • Mapped as: Lake or pond (USGS National Hydrography Dataset)
  • Distance: about 137 mi from Harrisburg and 29 mi from Pittsburgh, straight-line (not driving distance)

Towns and counties: U.S. Census Bureau boundaries overlaid on the USGS lake outline.

Fishing in Pennsylvania

Official PFBC pages. Rules and fees change; check before you go.

Good for & watch for

Good for

  • Camping. 6 campgrounds within 15 mi (list)

Watch for

  • Cold water. Water stays cold well into late spring and turns cold again in fall. Wear a life jacket when paddling in the shoulder seasons.

Built only from the data on this page: official access lists, OpenStreetMap beaches and trails, campground listings, state and USGS invasive-species records. We don't rate crowds or water quality.

Lake map

Lower Lake shoreline

0.1 mileN

No public access sites are listed for this water in the PFBC fishing and boating access points data.

Shoreline: USGS National Hydrography Dataset (NHD Waterbody, Permanent ID 125292501), public domain. State outline: U.S. Census Bureau TIGERweb. Points: PFBC fishing and boating access points. Interactive map: Leaflet with © OpenStreetMap contributors. Not for navigation.

Campgrounds near Lower Lake

We found 6 campgrounds and RV parks within 15 miles of Lower Lake. Distances are straight-line from the nearest point on the shoreline, so driving distance is longer.

All campgrounds & RV parks in Pennsylvania

Green tent icons on the lake map mark campgrounds near the shore, and the interactive map shows the closest 12. Amenities are listed only where a source records them; call or check the campground's website before you go, since seasons and rates change every year.

Campground data: Recreation.gov (RIDB) · OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026.

Conditions right now

Air temperature & conditions (nearest NWS station)Loading…
Fetching the latest National Weather Service observation…

Live from the National Weather Service API for the lake's coordinates (40.3188, -79.4772). The nearest station may be several miles away. NWS forecast for Lower Lake. No live water-temperature sensor is shown because we haven't found a public one for this lake.

Sun, moon & best fishing times

Sun & moon at Lower Lake

Best fishing times

Major periodMinor periodDaylight

    Based on solunar theory, an estimate. Major periods (about 2 hours) center on when the moon is directly overhead or underfoot; minor periods (about 1 hour) center on moonrise and moonset. The 0–100 activity score rises during those periods and gets a boost near sunrise and sunset and around the new and full moon. Weather, water temperature and pressure often matter more. Sun and moon times are calculated in your browser from the lake's coordinates with standard astronomy formulas, shown in ET (America/New_York), and accurate to within a few minutes.

    Contact & official info

    Questions about Lower Lake

    How big is Lower Lake?

    Lower Lake covers about 21 acres in Hempfield and Unity, Pennsylvania (Westmoreland County).

    Are there campgrounds near Lower Lake?

    Yes. We list 6 campgrounds and RV parks within 15 miles.

    What towns are on Lower Lake?

    Lower Lake touches Hempfield and Unity in Westmoreland County, Pennsylvania.

    Share a tip or fishing report

    Know Lower Lake? Tell us about the launch, parking, where they're biting or anything a first-time visitor should know. Tips go privately to the LakeRipple editor; nothing is posted automatically. Helpful tips may be featured on this page (we'll use your first name only if you give one).

    Lakes & ponds nearby

    Straight-line distance between lake centers. All Pennsylvania lakes & ponds · All waters in Hempfield