Lone Rock, Wisconsin

KLNR Tri-County Rgnl

Tri-County Rgnl (KLNR) is a non-towered, public-use airport in Lone Rock, Wisconsin, at 717.3 ft MSL. It has 2 runways: 09/27 (5,000 by 75 ft, asphalt), 18/36 (1,850 by 60 ft, asphalt). CTAF 123.0.

FAA NASR data effective Oct 29, 2026. Not for navigation; verify with current FAA charts and the Chart Supplement.

Airport

At a glance

Identifiers
ICAO KLNR, FAA LNR
Location
Lone Rock, Wisconsin (Sauk County). 2 NM N of the city center
Elevation
717.3 ft MSL
Position
43.2119° N, 90.1798° W
Control tower
No, non-towered
Sectional chart
Chicago
Magnetic variation
0° E (1990)
Fuel
100LL, Jet A+
Ownership
Publicly owned, open to the public
Attendance
MON-FRI 0800-1700

2 runways

Runways

RunwayLength × widthSurfaceEdge lights
09/275,000 × 75 ftAsphalt, excellent conditionMedium intensity
18/361,850 × 60 ftAsphalt, good conditionMedium intensity

Runway ends and traffic pattern

EndPatternGlide slope lightsInstrumentDisplaced thresholdLanding distance
09Left traffic2-light PAPI, leftNone listedNone listedNot listed
27Left traffic2-light PAPI, leftLOC/DMENone listedNot listed
18Not statedNone listedNone listedNone listedNot listed
36Not statedNone listedNone listedNone listedNot listed

VHF

Frequencies

CTAF
123.0
UNICOM
123.0
Approach / departure
135.45
"Madison"

Weather station

ASOS LNR
119.425

Before you go

Brief KLNR in Ascent EFB.

Current weather, NOTAMs and the airport diagram for Tri-County Rgnl, in the app on iPhone and iPad.

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Not for navigation. Verify with current FAA charts and the Chart Supplement before flight.

Source: FAA NASR 28-day subscription, cycle effective Oct 29, 2026. Airport data changes every 28 days and NOTAMs can override it at any time.