Hornet Creek Upper North is a private irrigation dam located in Lower Hornet Dam, Idaho. Built in 1913, this earth dam stands at a height of 20.5 feet and serves the primary purpose of irrigation for the surrounding area. The dam has a storage capacity of 265 acre-feet and covers a surface area of 32 acres, with a drainage area of 0.6 square miles.

Managed by the Natural Resources Conservation Service, the dam has a spillway type of "Uncontrolled" with a width of 26 feet. The last inspection in 2017 rated the dam's condition as "Fair" with a significant hazard potential. The risk assessment for the dam is moderate, indicating a level 3 risk. Even though the dam is currently in fair condition, regular inspections and maintenance are crucial to ensure its continued functionality and safety for the community it serves. Climate and water resource enthusiasts will find Hornet Creek Upper North a fascinating example of early 20th-century irrigation infrastructure in Idaho.