Fonds consists of Camp Tanamakoon correspondence, manuals, brochures, photographs, songs, and legal documents. Also included is research material for the book entitled Tanamakoon: Where We Will Never Grow Old by Catherine Ross.

Fonds consists of records documenting the history and activities of Camp Tanamakoon. Records include song books, brochures, forms, camp activity resources, a large set of slides, photographs, videos, photo albums, scrapbooks, and uniforms. Fonds is arranged by format in five series: Textual materials, CDs and DVDs, photograph albums and scrapbooks, slides, and uniforms. See series and file descriptions for more information.

File includes a scenic panoramic titled "Camp Tanamakoon, Summer Camp for Girls, Operated by Miss Mary Hamilton, Algonquin Park Station, Ontario Can." (photographer: P.E. McDonald, ca. 1925). Also includes a photograph album dated 1925 containing approximately 75 photographs of Camp Tanamakoon. The photographs were taken or gathered by Sheila Playfair McGillivray, a senior camper in 1925; a few pertain to logging in Algonquin Park.