1LL2 Spring Brook Airport

Seneca, Illinois, United States

Not for navigation. Data: OurAirports (public domain); FAA NASR (US Government public domain), updated Nov 8, 2026.

Airport facts

Ident: 1LL2
Type: Small airport
Municipality: Seneca
Region: Illinois
Country: United States
Elevation: 500 ft (152 m)
Coordinates: 41.3006° N 88.6333° W
41°18′02″N 88°38′00″W
Towered: No
Chart Supplement: Chart Supplement (opens in a new tab)2611 1LL2

Runways

Runway	Length × width	Surface	Lighted	Status
18/36	2,800 × 70 ft	Asphalt	Yes	Open

Frequencies

No frequencies in our data

Nearby airports

67IL Mitchell Restricted Landing Area Airport 3 nm
69IL David Gillespie Airport 4 nm
LL39 Curanda Airport 7 nm
US-4863 Harford Airport 9 nm
US-0500 Nettle Creek Landings Airport 9 nm