Château de Lassus is a historic castle in Hamoir, Belgium, nestled along the Ourthe River in the Belgian Ardennes, 12 km from Durbuy. The renovated property operates as a vacation rental destination with two distinctive lodges: the Gîte du Château and Les Écuries, surrounded by parkland and forests. The estate enables visitors to pursue outdoor activities including tennis, hiking on 4–17 km trails, horseback riding, and kayaking on the Ourthe. The surrounding region provides access to adventure parks, castles, caves, and wildlife experiences. Described as "a haven of peace" and "an uncommon place," the property offers an "authentic, calm, isolated and restful setting" ideal for weekend escapes and holidays.