Bukit Dumbar (GPS: 5.38561, 100.31138) is a hill built over an underground reservoir. It is located in Jelutong, or rather, at the border of Jelutong and Gelugor. Since the 1960's, Bukit Dumbar also doubles as a recreational park. It is one of the few patches of green space in Jelutong, and is popular with the locals as a place for jogging and exercise, particularly tai-chi, which are available in the early mornings as well as evenings.
Bukit Dumbar can be reached from Jalan Jelutong. The nearest bus stop is along Jalan Jelutong at the foot of Bukit Dumbar. Rapid Penang Bus Nos. 13, 301, 303 and 401 pass through Jalan Jelutong.