Two days and two summits in Grammeni Oxia, Roumeli. Saturday: Portokali peak (1,760 m), 6.5 km, about 3 h, +/-387 m, then dinner and the night at the Grammeni Oxia «Lambros Eftaxias» refuge (or your own tent). Sunday: circular route from the refuge to Sarantaina (1,923 m), 8.5 km, about 3.5 h, +/-466 m, with panoramic views of the Roumeli mountains; lunch in the area (not included) and coach back to Athens. Both grade easy 1/5; ages 16+. Meet 06:45, coach leaves 07:00 from the Museum of Contemporary Art (Syngrou-Fix metro), then Nea Filadelfeia junction 07:20, Kalyftaki bridge 07:25 and Agios Stefanos (Choriatiko) 07:30; back after 23:00. €185 at the refuge (limited places) or €165 in your own tent; €100 deposit, balance by Sunday 8 November, full refund until Sunday 1 November. Includes the coach, luggage transfer, one night, Saturday dinner, Sunday breakfast, first-aid certified guides, insurance and VAT. Bring a sleeping bag, sheet and pillowcase. Book and pay online on trekkers.gr; bookings are per person.