Lyon County: Official web site of county government. Officials, departments and services, county map.
Lyon County Map: Shows major highways, county line, some cities. Interactive.
Lyon County MNGenWeb: Genealogy and local history.
Marshall-Lyon County Library: Public library in Marshall, with branches in Balaton and Cottonwood. Location, phone numbers, hours.
National Association of Counties: Lyon County: Elected county officials, links to demographic information and list of place names in the county.
National Weather Service: Lyon County, MN: Zone forecast, statewide forecast, current conditions around the area. Statewide weather summary for past 24 hours, including precipitation, temperatures.