The historic Canoa Ranch complex, constructed between the 1870s to the 1930s, may be considered eligible for listing on the National Register of Historic Places and the Arizona State Register of Historic Places as a significant historic site in Pima County. Today, the ranch complex includes 10 to 12 buildings constructed of adobe and wood framing that have deteriorated. Rehabilitation of the buildings will follow preparation of a site management plan for the adaptive reuse of the complex and preparation of stabilization plans and construction documents. Building rehabilitation and restoration will be phased. Accessibility of the Canoa Ranch, which has long been a focal location in the Santa Cruz River valley.
Proposal is to form non-profit to manage the property and historic elements.
It extends from Nogales, Arizona to San Francisco, California, a distance of 1200 miles. The purpose and specific benefits to be achieved by the project are ensuring and enhancing access to trail segments and campsites for public use, education, and enjoyment. Tumamoc Hill and the Desert Laboratory have unique and significant value as open space that is critically important to the citizens of Pima County. The 320 acres on the west slope of Tumamoc Hill has been an integral part of the 869 acre Tumamoc Hill Preserve, which has been in continuous use as an ecological research facility since 1903. This site is currently owned by the Arizona State Land Department and may be endangered by future sale and inappropriate development.