The Little Cottonwood River in Cottonwood, Minnesota is a state-regulated water resource managed by the Minnesota Department of Natural Resources. This 11.5 square mile drainage area river features a 16-foot high buttress dam with a storage capacity of 243 acre-feet. Located in Mankato, this river is a vital resource for the local community and surrounding areas.

With a low hazard potential, the Little Cottonwood River provides a picturesque and relatively calm environment for water and climate enthusiasts to enjoy. The river's infrastructure, including the dam and associated structures, is well-maintained with regular state inspections and enforcement to ensure public safety. Despite its modest size, the Little Cottonwood River plays a crucial role in the local ecosystem and water management efforts in the region.

As part of the St. Paul District, the Little Cottonwood River offers a unique opportunity for exploration and appreciation of Minnesota's diverse water resources. While the dam's primary purpose is not specified, its presence contributes to flood control and water storage capabilities in the area. As climate change continues to impact water resources worldwide, the Little Cottonwood River stands as a testament to the importance of sustainable water management practices and the preservation of natural habitats for future generations.