Where is the authentic Taoist temple in Hainan?

The authentic Taoist temples in Hainan are: Yushan, located in Dinghu Road, longhu town, Ding 'an County, Hainan Province.

Yushan: The theme building of Longpen Market Scenic Area was built to commemorate Bai Yuchan, a famous Taoist priest in Song Dynasty, who lived in seclusion and collected medicine and alchemy, and to show the rich natural and human resources of Lianhua Mountain. Jade Moon has the largest Taoist architectural complex in the world, which consists of nearly 20 halls, such as the Charity Navigation Hall and Marriage Moon Hall, the life core monument Chen Yuan Hall, the Enlightenment Wisdom Wenchang Pavilion, the Health and Longevity Medicine King Hall and the Wealth Hall. Yumen Temple is the only Taoist temple in Hainan, which is called "Southern Ancestral Temple" by Taoism. Yumemen inherited the teaching purpose of Yuchan's founder, practiced both inside and outside, benefited the whole world, and returned the profound historical and cultural heritage of Nanzong to the love and trust of all parties.