In 2013, four female paddlers set out to brave 2,500 miles of wild river in Mongolia and Russia. In the latest installment of the Inside Line series, we hear from the expedition’s leader, Amber Valenti, about running the Amur River — the third longest fully-connected river in the world.

–Click here to read more about the expedition, which Valenti described as “cultural Class V,” and to see a trailer for the team’s film, Nobody’s River.

–Click here to see another video from the Inside Line series about crossing Baffin Island in traditional, Inuit-style sea kayaks.