PROBLEM TO BE SOLVED: To make it possible for anyone to search very easily an optimum mountain climbing course that suits his/her experience of mountain climbing.SOLUTION: Regarding a plurality of mountain climbing courses, course information showing course contents which consist of a plurality of items of each mountain climbing course is stored in advance. A user is allowed to specify a model course out of a plurality of mountain climbing courses (SA1), and similarity between another plurality of mountain climbing courses other than the model course and the model course is calculated based on the course information by each item (SA4, SA5). Based on calculated similarity by each item, similarity between the another plurality of mountain climbing courses and the model course is evaluated (SA7), and a recommended course to be suggested to the user is determined based on an evaluation result out of the another plurality of mountain climbing courses (SA8).
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