Iceland's most spectacular waterfall has got to be Dettifoss. It is reached via a 30 km dirt road off the ring road and, as such, was wonderfully deserted when we arrived.

 
 

The spectacular canyon carved out by the outflow of Dettifoss

Colin and I standing in front of Dettifoss

Dettifoss

Gwenn, mesmerized by Dettifoss, looks like she's going to dive it