The Basin, Franconia Notch - The Basin is a 20-foot-wide (some say 30 feet), 15 feet deep, glacial pothole along the Pemigewasset River in Franconia Notch, New Hampshire. It was formed by melting glaciers at the end of the last ice age; the combination of the melting glacier water and swirling sand and stones eroded and smoothed the bedrock. Nineteenth-century writers, such as Henry David Thoreau (1817-1862), were fascinated with this natural wonder...[Continue reading] ...