Doi Suthep large number of tourists is damaging the area's natural environment. Untreated waste water flows directly into the Huai Rap Sadet Waterfall. The annual Visakha Bucha pilgrimage up Doi Suthep leaves more than 30 tonnes of garbage in its wake. Doi Suthep Doi Suthep (ดอยสุเทพ), is a mountain ("doi") west of Chiang Mai, Thailand. It is in elevation and is one of the twin peaks of a granite mountain. The other peak is known as Doi Pui and is slightly higher (1,685 m). Doi Suthep is from Chiang Mai city centre. The vegetation below 1,000 m is mostly deciduous forest, with
Peter Doi became the first Japanese member of the College of Cardinals. He attended the Second Vatican Council from 1962 to 1965, and was later one of the cardinal electors who participated in the 1963 papal conclave that selected Pope Paul VI. Doi died in Tokyo, aged 77. He is buried in St. Mary's Cathedral. Doi, along with Stefan Wyszyński, assisted Paul Peter Meouchi in delivering one of the closing messages of the Second Vatican Council on 8 December 1965. Peter Doi Peter Tatsuo Doi (土井 辰雄 "Doi Tatsuo") (22 December 1892—21 February 1970) was a Japanese Cardinal of the Catholic Church.