Kavastu is a village in Luunja Parish, Tartu County, on the left bank of Emajõgi.
The only operating cable ferry in Estonia crosses the river at Kavastu.
At Kavastu, there is a mediumwave transmitter with 2 249 metres tall guyed masts, actually used for broadcasting a religious program on 1035 kHz with 125 kW.  
Kavastu raft over Emajõgi in 1984.
View at the village from the raft.