bukit gasing is a tropical forest reserve located on the border between kuala lumpur and petaling jaya, selangor in malaysia. it was a rubber plantation before it became a secondary forest. since the park is located in both kuala lumpur and petaling jaya, it has two entrances, with the main entrance located in petaling jaya and the secondary entrance located in kuala lumpur. there are many free hiking trails in bukit gasing, and visitors can use them for trail running and hiking. it takes approximately one to two hours to hike each of the trails, and at the end of all the trails is a suspension bridge, a telekom tower, and a hindu temple. there is also a river, and during the dry season, the river dries up and becomes another trail for hikers. there are different species of flora and fauna that can be found in the park. one of the birds that can be spotted by visitors is the stripe-throated bulbul.