Not included: airfare to Irkutsk, alcoholic beverages, massage services, single accommodation in a Lodge on lake Baikal, insurance from the NS, additional flight time - 2000 eur / flighthour per group
In case of bad weather: Gora Sobolinaya ski resort, skidoo with a guide (and powdery sea in the mountains), travel to the iconic places of lake Baikal