The article defines valuable characteristics of historical gardens and parks in Tomsk, formed in the late 18 and early 20th centuries as recreational areas and urban planning elements in is planning structure.Purpose: To identify valuable characteristics of further development of protective measures for historical territories.Methodology: Comprehensive historical and architectural analyses and generalization of archival materials, field data. This analysis of existing methods for determining valuable characteristics of cultural heritage objects and their application, taking into account garden and park territories in Tomsk. The analysis is based on the methods used in various regions of the Russian Federation.Research findings: An attempt is made to develop a scientifically based method for assessing valuable characteristics of landscape architecture and art of the city of Tomsk, which allow for physical preservation and targeted functional use of gardens and parks and continuous development of the urban and natural environment of the city.Practical implications: The results can be used in the preparation of protective documents regulating the preservation procedure, development and further use of historical gardens and parks as objects of cultural and natural heritage.Originality: Valuable characteristics of historical gardens and parks in Tomsk are determined for the first time and a methodology is developed for establishing the historical and cultural value of the Tomsk gardens and parks, including a set of criteria and assessment tools with calculated indicators of historical and cultural objects.