Larchwood Local News: Topix.net: Local, regional, and statewide news collected from diverse sources on the web.Larchwood, Iowa: Features a brief overview of this community located near Sioux Falls, South Dakota.Rodeo Ridge: Offering one-acre homesites. Includes plat details, building covenants, community information and a contact form.West Lyon Realty: Houses and real estate for sale in Larchwood, Iowa. Relocate to a small town, near Sioux Falls, S.D., safe, quiet, small town living.