Longtan Lake Scenic Area — Located just about six kilometers from Yilan City, Longtan Lake Scenic Area, formerly known as "Dapi Lake," was one of the "Twelve Scenic Spots of Lanyang" and is the largest natural lake among Yilan's five famous lakes.

Longtan Lake Scenic Area. Located just about six kilometers from Yilan City, Longtan Lake Scenic Area, formerly known as "Dapi Lake," was one of the "Twelve Scenic Spots of Lanyang" and is the largest natural lake among Yilan's five famous lakes. Located just about six kilometers from Yilan City, Longtan Lake Scenic Area, formerly known as "Dapi Lake," was one of the "Twelve Scenic Spots of Lanyang" and is the largest natural lake among Yilan's five famous lakes. The lake area covers a total of nearly 20 hectares, with a depth of about 4.5 zhang. Surrounded by mountains on three sides, the terrain here boasts a rare primitive natural landscape. Address: 宜蘭縣礁溪鄉礁溪鄉龍潭村環湖路1號 Hours: 00:00–23:59 Yilan