is a Home Rule Municipality in Larimer and Weld counties in the U.S. state of Colorado. According to 2005 Census Bureau estimates, the population of the town was 14,874.
The Cache la Poudre River runs through the town, which lies on high ground suitable for a railroad. It is approximately half-way between Fort Collins and Greeley on the BNSF Railway, and somewhat near the midpoint of a triangle formed by those two cities and Loveland. The centralized location of the town has given rise to rapid growth in the last two decades.
According to the United States Census Bureau, the town has a total area of 15.0 square miles (38.7 km²), of which, 14.6 square miles (37.9 km²) of it is land and 0.3 square miles (0.8 km²) of it (2.07%) is water.