The development of production always brings about changes in the landscape, with the emergence of new architectural and technological elements. Due to the changes in technologies and as a result of geopolitical processes, often the existing plants are no longer used or new production facilities built, and thus the post-industrial landscapes emerge. Over time, those once so important production facilities have become the main feature of the identity of a particular site, which is associated not

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... nly with visual, but also mental recognisibility of the site through traditions, products manufactured and memories of the local people. Together, this all forms an industrial heritage whose preservation or inclusion in a new modern image, with the emergence of post-industrial landscapes, is becoming an increasingly topical issue. This article deals with the industrial heritage landscape of the Lielupe River in Latvia. Since ancient times the Lielupe River, as one of the largest rivers in Latvia with rich mineral resources, has been an important element in the development of economic activities and production in Latvia. The aim of the research was to identify the causes of the formation of industrial heritage and its impact on the Lielupe cultural landscape. As a result of the research, the main visual and spatial features created by the industrial heritage have been identified in various significant historical periods in Latvia including the present time. Keywords: post-industrial areas, historical analysis of the landscape, impact of industrialization