for the more adventurous, a varity of odstacles are on the roadside for them to hone their mountain-biking skills, from roots and ruts to moderate drop-offs. After the ride, you can work out selected muscles at the many open-air exercise stations next to the car park and the water sports centre. If you visit the lake in the evening, make sure you don't leave too early because this place boasts one of Bangkok's most beautiful sunsets.