You can combine the pleasant with the useful at the Herti indoor swimming baths in an agreeable temperature of 30 degrees C.
The winter-weary get back on form by swimming a few lengths, which is proven to be very healthy. Swimming is kind to the joints, and the skin becomes firm from the water resistance, it is fun and keeps you fit. The 25 metre long pool has 4 lanes and there is a smaller pool for children.
