31. The result is that Thompson Creek is now a'reverse'hanging valley , with its source perched up the wall of Seitz Canyon. 32. The cascading Crypt Falls are over high and are fed by Crypt Lake in the hanging valley above the falls. 33. One such hanging valley , overlooking the south end of the Seneca Lake valley, evolved into the deep gorge of Watkins Glen. 34. Therefore, when glaciers recede, the valleys of the tributary glaciers remain above the main glacier's depression and are called hanging valleys . 35. It forms one side of the Seathwaite Valley, and on the western side it is flanked by the hanging valley of Gillercomb. 36. This classic hanging valley lies between Brandreth and Base Brown, emptying around the latter into the wide strath of Borrowdale at Seathwaite. 37. The long strath of Grisedale runs north-eastward to Ullswater, cutting off a series of hanging valleys which fall from the Helvellyn range. 38. One of the tallest waterfalls is Bird Woman Falls, which drops from a hanging valley beneath the north slope of Mount Oberlin. 39. As the main glacier passed down the Conwy Valley, it truncated the Crafnant valley, leaving a hanging valley and this series of falls. 40. The falls are formed by a mountain stream dropping out of a hanging valley down to Doubtful Sound, one kilometre inside Deep Cove.
