Video: Karun - Following Iran's Longest River Source to Sea

In the spring of 2014 adventurers Tom Allen and Leon McCarron traveled to Iran where they hoped to travel the length of the Karun – that country's longest river – source to sea. The 500-mile (800 km) journey proved to be more than they had expected, offering both insights into the rich history and culture of Iran, as well as the warm and friendly people that live there. But there were also plenty of challenges along the way, including brushes with disaster along that could have spelled the end of the entire expedition.

The video below is a short teaser trailer that gives you a brief taste of what their Iranian adventure was all about. If you find the clip intriguing, you can jump over to KarunFilm.com where you can watch the entire 15-minute documentary for free. I think you'll find it is more than worth your time to catch the entire thing.

And if you like what Tom and Leon have done with this project, they are also trying to get their next one off the ground at Kickstarter. The duo is not only hoping to wrap up production on their film about Iran, but produce another one about a journey they made through Patagonia as well. Find out more by clicking here.

Karun: Official Trailer from Tom Allen on Vimeo.