<P> The lake is accessible by a moderate - easy 3 km (1.9 mi) hiking trail over coastal bogs and low limestone ridges . Two tour boats, one with a capacity of 70 passengers and the other 90 passengers, cruise the lake from June to mid-October . The lake waters are pristine, having had very little impact from human activities . The tour boat operators had to undergo special certification to ensure that their operations would have minimal impact on the environment . </P> <P> In the early part of the 20th century, a part of the surrounding cliff broke off and fell into the lake, causing a 30 m (98 ft) tsunami . </P>

Western brook pond gros morne national park newfoundland