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Lake Killarney

Simmesport, Louisiana — West Feliciana Parish.

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476Surface acres

Surface area: The USGS National Hydrography Dataset outline (NHD Permanent ID 133391005).

Location & fast facts

Where Lake Killarney is in Louisiana

The red circle marks Lake Killarney.

Fast facts

About Lake Killarney

  • Parish: West Feliciana
  • Nearest city: Simmesport (about 11.6 mi from the lake)
  • Mapped as: Lake or pond (USGS National Hydrography Dataset)
  • Distance: about 43 mi from Baton Rouge and 58 mi from Lafayette, straight-line (not driving distance)

Towns and parishes: U.S. Census Bureau boundaries overlaid on the USGS lake outline (Louisiana: incorporated places touching the lake, otherwise the nearest one).

Fishing in Louisiana

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

Lake map

Lake Killarney shoreline

½ mileN

No public access sites are listed for this water in the OpenStreetMap boat ramps (no statewide agency ramp layer used) data.

Shoreline: USGS National Hydrography Dataset (NHD Waterbody, Permanent ID 133391005), public domain. State outline: U.S. Census Bureau TIGERweb. Points: OpenStreetMap boat ramps (no statewide agency ramp layer used). Interactive map: Leaflet with © OpenStreetMap contributors. Not for navigation.

Nearest airports

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

Car rental links go to our partner Discover Cars; LakeRipple may earn a commission at no extra cost to you. Affiliate disclosure.

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.

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 (30.9708, -91.5901). The nearest station may be several miles away. NWS forecast for Lake Killarney. 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 Lake Killarney

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 CT (America/Chicago), and accurate to within a few minutes.

    Contact & official info

    Questions about Lake Killarney

    How big is Lake Killarney?

    Lake Killarney covers about 476 acres in Simmesport, Louisiana (West Feliciana County).

    What towns are on Lake Killarney?

    Lake Killarney touches Simmesport in West Feliciana County, Louisiana.

    Share a tip or fishing report

    Know Lake Killarney? 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 Louisiana lakes & ponds · All waters in Simmesport