Angels Camp, California
On January 22, 1865, Mark Twain went north from Jackass Hill, in nearby Tuolumne County, to Angel's Camp with Jim Gillis, who had a claim there. During their first week, heavy rains confined them to Tryon's Hotel; they spent the next three weeks prospecting with little success. Throughout this time -- especially during the rainy week -- Mark Twain exchanged yarns with locals, notably Ben Coon, and left with a notebook filled with story ideas. Chapter 61 of Roughing It briefly describes this period.