Spring: Rafting time on Aragvi rivers

Walking trails in foothill areas begin to open up and the popular rafting season on the Aragvi rivers north of Tbilisi starts in late April. Georgian Easter happens now too – up to five weeks after the Western one, with special services at Svetitskhoveli Cathedral in Mtskheta (near Tbilisi) and elsewhere.

Source: https://www.lonelyplanet.com/georgia