Ottawa, County seat in LaSalle County, Illinois, United States.
Ottawa is the county seat of LaSalle County in northern Illinois, located where the Fox River meets the Illinois River. The town spreads along both riverbanks and features several historic districts with buildings dating from the 1800s.
The town was founded in 1830 and grew into a major port along the Illinois and Michigan Canal. It hosted the first public debate between Abraham Lincoln and Stephen Douglas in 1858, drawing national attention.
The city takes its name from the Odawa people, an indigenous nation that once lived across the Great Lakes region. Visitors can trace this connection between the naming choice and the region's early story through local museums.
The town lies about 80 miles southwest of Chicago and can be reached via several highways. Visitors find parking downtown and can walk to most historic sites.
William Dickson Boyce founded both the Boy Scouts of America and the Lone Scouts of America here in the early 1900s. The John Hossack House served as an Underground Railroad station, helping people escape to freedom.
Location: LaSalle County
Inception: 1853
Elevation above the sea: 147 m
Website: https://cityofottawa.org
GPS coordinates: 41.35111,-88.83778
Latest update: December 13, 2025 19:24
Washington Park Historic District
390 m
John Hossack House
1.3 km
Marseilles Hydro Plant
10.7 km
Ottawa Rail Bridge
1.3 km
Jeremiah Strawn House
594 m
Andrew J. O'Conor III House
772 m
Fisher-Nash-Griggs House
2.1 km
Ottawa East Side Historic District
673 m
Veterans Memorial Bridge
1 km
Ottawa Commercial Historic District
350 m
Marseilles Lock and Dam Historic District
7.5 km
Ottawa Historical and Scouting Heritage Museum
632 mMarseilles Pool
11.3 kmWashington Park Historic District
395 mMarseilles Bridge
11.1 kmShadow Bluff
1.7 kmVehicle
3.4 kmDayton Ridge Golf Club
3.9 kmPine Hills Golf Club
5.5 kmBoy Scout of America
2.7 kmIllinois Canyon
10.1 kmWaterfall
9.3 kmWaterfall
10.1 kmWaterfall
9.3 kmWaterfall
10.2 kmWaterfall
10 kmWaterfall
10 kmVehicle
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