Explore one of Thailand's most uplifting royal legacies on this half-day private tour to Doi Tung. Journey begins with visit to Doi Tung Development Project, initiated by Her Royal Highness the Princess Mother transforming deforested hills into model of sustainable living. At its heart lies Royal Villa, inspired by Swiss architecture and built as Princess Mother's mountain retreat. She was personally involved in development concept, inspired by her Lausanne residence. Guided visit through rooms gives impression of simple lifestyle. Continue to Wat Phra That Doi Tung, sacred temple at summit of Chiang Rai's highest mountain around 2000 meters above sea level. Twin Lanna-style stupas crown this peaceful site, believed to enshrine Buddha relic. On clear days, views reach Laos and Myanmar. Before returning, explore hill tribe villages where around 20 different tribes live along Myanmar border, encountering rich cultures and traditional ways of life.