On the way, you pass the historically important Me-kernes - a deserted Fjord farm, dating back to the 1600s and possibly as far as medieval times. Preserved for its unique siting, it's perched 100 metres above the water, tucked under over-hanging rock to protect it from avalanches. Me-kernes inspired Ibsen, who visited in 1862 and used its inhospitable setting in his play Brand. At its widest, Sunnylvsfjorden stretches to over a mile, narrowing to 600 metres in places. And at its deepest, it reaches a startling 452 metres below sea level.