| A shallow silver mirror of water, the lough deepens to the south around an array of tiny round islands, part of a drowned drumlin field created during the ice age. |
| A drumlin is seen, at Great Head, Winthrop, being undermined and worn away by the waves. |
| Grassy Island, a drumlin, is an exception. |
| Northwest of Rice Lake reference is provided by the continuity of drumlin orientation and the Indian River. |
| Here, a drumlin, an oval mound smooth-sculpted by glaciers, rises to give an uninterrupted panorama of sea, fields and forests from its grassy crown. |
| Ground view looking east along the base of an eroding drumlin. |
