Photographic and textual material created and collected by the Resort Municipality of Whistler (RMOW) relating to planning and development of Whistler Village and the resort municipality, events held in Whistler, land management, culture and public art, ecology, resort development, the environment, transportation, heritage, schools, architecture, sustainability, and municipal politics.

Material donated by Sonya McCarthy gathered from her time as Alderman on the Municipal Council (RMOW), working for the Whistler Area Information Office, doing community work, and from Whistler Mountain. Documents include personal files, correspondence, pamphlets, posters, maps, and other promotional material regarding events, planning, accommodation, and services in the Whistler area from 1980 to 1996.