Therwil has 2 tennis clubs with 11 courts in total. The largest is TC Leimental with 6 courts. All clubs in Therwil play outdoors, so the season typically runs from spring to autumn. The most common surface is clay, with 11 courts across the city. Scroll down for the full list, with each club's surfaces, courts and contact details, and find the one that fits how you like to play.