A 10-minute walk up the wooded hill to the castle tower gives a delightful view of the town and the surrounding valley of the Weiss river.
The views of the Weiss River valley and the town from the Castle tower are terrible. 
mnli hypothesis: The views of the Weiss River valley and the town from the Castle tower are terrible.  premise: A 10-minute walk up the wooded hill to the castle tower gives a delightful view of the town and the surrounding valley of the Weiss river.