Northern Colorado's Premiere Dog Boarding & Doggie Daycare Facilty!! Come experience the difference of the original dog ranch. Happy Tails Dog Ranch is located on 5 acres with gorgeous views of Longs Peak. We are conveniently located between, Boulder and Fort Collins, just minutes North of Longmont and minutes South of Loveland. We have 6, large, natural, outdoor play yards offering plenty of room to roam with our highly experienced and trained play yard supervisors.