Spring - Borići is a famous picnic area, about 300 m from the center of Sokobanja. Vrelo used to be a fashionable picnic spot, where famous writers, actors, artists, politicians, and members of the Karadjordjevic royal family gathered. The trail is connected to the Borići picnic area, which is equipped with benches, tables and plays props, and is suitable for children and adults with chronic respiratory diseases, due to the high concentration of negative ions in the air. In this area, there is also a memorial fountain of Hajduk Veljko Petrović and the summer stage "Vrelo".