Lumphini Park, also Lumpini or Lumpinee, is a 360 rai park in Bangkok, Thailand. The park offers rare open public space, trees and playgrounds in the Thai capital and contains an artificial lake where visitors can rent boats. Paths around the park totalling approximately 2.5 km in length are a popular area for morning and evening joggers. Officially, cycling is only permitted during the day between the times of 10:00 am to 03:00 pm. There is a smoking ban throughout the park.