The aim of this diploma thesis is to provide guidelines how to transmit geoscientific topics within the subject of Biology in secondary education on the basis of field-trips. In general, two aspects are foregrounded: Firstly, there is the notion that geology is mediated preferably through close-to-nature encounters during class. Secondly, the state of Carinthia comprises one of the densest distributions of different lithologies, and therefore geologically interesting destinations for field trips, throughout Austria. In the light of these two aspects, this paper should capture a diversity of locations that are thematically wide-spread and nearby Carinthia's school centres.The first part of this diploma thesis gives theoretical insights into the organisation and practical realisation of geological field-trips. Firstly, there is a depiction of the geological topics that are integrated in the curriculum within the subject of Biology. In the following a short discussion of the basic pedagogical and didactic concepts, underlying the field-trip as a type of lesson, is provided. As a last point the most important aspects regarding the practical realisation of field-trips are depicted. The second part of this paper consists of the didactic description of 27 suggested geological field-trips near the centres of Carinthian schools (Villach, Klagenfurt, St. Veit/Glan, Hermagor and Spittal/Drau). The individual locations are generally introduced and accompanied by teacher-specific information. Besides, the descriptions offer geoscientific background-information and insights into one of the following topics: recognising different lithologies, sedimentology, Earth-history and paleoecology, fossils, metamorphosis, volcanicity, mineralogy, tectonics, glacial morphology, geological risks, ore-mineralisation and resources. At the end of this thesis there are two suggestions of how different destinations for field-trips can be combined meaningfully to day-excursions.