Thun has amazing mountain scenery and the city affords majestic views of the Eiger, Mönch and Jungfrau as well as of the Blüemlisalp massif. The intense colour contrast between the turquoise blue lake, the lush green meadows and the white four-thousanders adds to the appeal of the unique Lake Thun region. The three mountains around Lake Thun, the Stockhorn, Niesen and Niederhorn, form a popular hiking, leisure and recreation area. All mountains have mountain railways access. The Niesen funicular railway has been operating for 100 years.