A British explorer has discovered the source of an uncharted Amazon river - while being stalked by jaguars and ravaged by insects.<br /><br />Daring Ash Dykes beamed with joy after finding the start of the Coppename River in Suriname with fellow adventurers Jacob Hudson, Dick Lock and Matt Wallace<br /><br />The fearless group then bagged a world record the next day by becoming the fastest group to ascend the South American country's tallest mountain, Julianatop.<br /><br />They also named two undocumented waterfalls - 'Dykes Falls' and 'Wallace Falls' - after the team members who first spotted them in largely unexplored jungle.
