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
Doi (retailer) Doi (retailer) Its roots go back to Doi Shōten (), also referred to as Doi Shōkai (). This was a Japanese retailer, distributor, or both, that started in 1949. ("Doi" here is a surname, "shōten" means "retailer", and "shōkai" means "trading company".) In the early fifties it was based in Osaka. Kimio Doi (, "Doi Kimio"), son of the Mr. Doi of Doi Shōten, started a branch in Fukuoka at some time around 1956. In 1959 this became plain Doi (, "Kabushiki Kaisha Doi"). Doi provided diverse services, such as professional darkroom work. Retail stores were branded "Camera no Doi"