31. Within glacial valleys , depressions created by plucking and abrasion can be filled by lakes, called paternoster lakes. 32. Nant Ffrancon itself is a steep-sided glacial valley dropping to Bethesda between the Glyderau and the Carneddau. 33. The glacial valleys can also have natural dam-like structures cutting through them, these are called terminal moraines. 34. The principal peaks of the Revelation Mountains are granite spires, rising out of relatively low-elevation glacial valleys . 35. The community is located on the scenic Olympic Peninsula along the seawater-filled glacial valley of the Hood Canal. 36. The harbour is largely formed by a drowned glacial valley which succumbed to sea level rise since glaciation. 37. Tributaries flowing into the Minnesota River had to drop down into the deep glacial valley , creating numerous waterfalls. 38. It is situated in a small glacial valley at the base of Broken Top, southwest of the peak. 39. Above Newhalem, Washington, the Skagit flows through a deep gorge, contrasting strongly with the glacial valley below Newhalem. 40. The district is characterised by a mountainous landscape with scenic valleys, including glacial valleys above in the Polis Mountains.
