Circular hike on Mount Omvrianos in Chalkidiki, from the historic Holy Monastery of Agia Anastasia Farmakolytria up wooded slopes to Kalogeriko peak (970 m), with the view opening over the whole of Chalkidiki, and back to the monastery on a different path. 10 km, +/-700 m (342 to 970 m), 4.5-5.5 hours, difficulty 2/5, good fitness; ages 14+ with a guardian. The day ends in Agios Prodromos, known for its souvlaki. Coach leaves 08:00 from One Salonica (lower parking, Stathmou St traffic light) and 08:20 from Kaftanzoglio Stadium, stop at Gavanas outside Vasilika, arrival at the monastery 09:45 (own-car meeting point), hike 10:00-15:00, free time in Agios Prodromos 15:30-17:30, back at Kaftanzoglio 18:15 and One Salonica 18:30. €23 by coach, €15 with your own car. Led by mountain guides (TEFAA graduates) with international first-aid certification; first-aid kit, radios, photos and video, VAT included. Free cancellation with full refund up to 48 hours before departure; full refund if the trip is cancelled or postponed for weather. Book on discovery-trail.gr; payment by IRIS or bank transfer. Contact: +30 698 697 4647 (Leonidas), +30 694 518 0393 (Dimitris), discoverytrailinfo@gmail.com.