Home › Venues › Ollin Farms Ollin Farms Tickets Buy tickets for concerts at Ollin Farms in Longmont, CO. No Upcoming Events No upcoming events scheduled at Ollin Farms. Please contact us with any corrections. Hotels & Lodging Near Ollin Farms About the Venue Ollin Farms At-a-Glance AddressLongmont, CO 80503United States Map & Directions Advertisement