‘Unknown Krka: a hidden light of the upper and middle rivers in the Krk river’ aim at promoting the middle and upper river basin district and shedding the most popular attractions in the southern part of the national park. The implementation of the project will provide the assumptions for optimal management of the NP Krka area in line with an integral approach to resolving the identified problems, such as an affirmation of the top flow of Krk. A number of attractive presentation and educational content and related tourist products will contribute to the overall improvement of socio-economic opportunities in the environment.