According to the official Dalseong Wetland Ecology Center visitor page, exhibition hours are 09:30–17:30 with last admission at 17:00. It closes Mondays, January 1 and the days of Seollal and Chuseok. When Monday is a public holiday, it closes on the next weekday instead. Additional closures may be designated by the city.
Inside the center, pets are prohibited except assistance dogs. Outside food, flash photography, tripods and commercial photography are also prohibited. These rules refer to the exhibition facilities: do not assume they automatically describe pet access across the entire outdoor wetland. The address is 88 Gura 1-gil, Hwawon-eup, Dalseong-gun, Daegu, and the contact number is 053-631-0105.
The official page indicates its last update was in 2018. Recheck temporary closures, activity reservations and any admission fees directly with the operator before visiting.