Depends on what time you arrive.

Overnight in Tbilisi (B)

Kazbegi tour is an excursion to one of the most picturesque regions of Georgia – Kazbegi, along famous Georgian military road. During the excursion, first of all, tourists will view Jinvali water reserve and Ananuri fortress. It belongs to XIV-XVII centuries. Farther, drive though beautiful Aragvi gorge, via winter ski resort Gudauri, view point over Gudauri and will cross the Cross path – at altitude 2395 m above the sea level.
You will enjoy amazing mountain views. Tourists will also taste local mineral water, which contains iron. Afterwards, arrive to town Stephantsminda, the center of Kazbegi region. From ancient times this route was the main connection between North Caucasus to the central Georgia. Also, 4×4 drive to the Gergeti trinity church located on altitude 2200 m above the sea level. If the weather is clear, you will see mount Kazbegi – 5047 m above the sea level.
Drive in Dariali gorge – the north gates of Georgia. Currently in this gorge is Georgia-Russia border and the only pass. Therefore, visiting Gveleti waterfall. Finally, in the evening return to Gudauri.

Overnight in Gudauri (D/B)

Walking Distance: 4 km. Walking time: 1 hours. Starting altitude: 400 m. Maximal altitude 2395 m. Ending point: 2000 m.

You will have a free day in Gudauri. You can use a cable way for skiing or have a paragliding.

Overnight in Gudauri (D/B)

Walking 12 km. Walking time around 7 hours. Starting altitude: 1600 m. Maximal altitude: 2400 m and Ending point: 2000m.