National Development Minister Mah Bow Tan announced in 2001 that Sungei Buloh would be gazetted as a nature reserve, and in 2002 130 hectares of Sungei Buloh was officially declared the Sungei Buloh Wetland Reserve; the reserve offers free guided tours on Saturdays at 9:30am and 3:30pm for a maximum of 15 people each, subject to admission fees and weather conditions.