Friends of the Longmont Museum Share: Community Associations/OrganizationsNonprofit Friends of the Longmont Museum Visit Website Request Info 400 Quail Road Longmont, CO 80501 303-651-8373 www.longmontmuseum.org About Map About Friends of the Longmont Museum encourages involvement and financial support of the Longmont Museum. What's Nearby? Distance: 5 10 15 20 25 50 mi.