Larimer County Genealogical Society
No actual data on-line, but information about the society.

Larimer County, Colorado COGenWeb Project
Various record transcripts, tombstone photos, bulletin board messages and similar resources for researching Larimer County ancestors.

Internment Net - Cemeteries of Larimer County Colorado
A few cemetery records and many affiliate links to other (usually non-free) genealogical resources.

Larimer County Courthouse History
History of the various Larimer County courthouses, from a log cabin in Laporte to the modern Justice Center.

Local History Archive
From the Fort Collins public library, a short history of the county, and a more detailed history of the city of Fort Collins.

The Political Graveyard - Larimer County
Information on federal (and some state) politicians, particularly deceased politicians, who were born, lived, died or were buried in Larimer County.