Searching for fish, they found the Multonah or Willamette River, and Lewis wrote that the valley of this stream would furnish the only desirable place of settlement west of the Rocky Mountains. Here he found rich prairies, plenty of fish and game, unusual plants of various sorts, and abundant timber. Soon they reached the village of the Walla Walla Indians, who received them so hospitably that the captain said of all the Indians they had met since leaving the United States this tribe was the most honest and sincere. With twenty-three horses, and Walla Walla Indians as guides, they followed a new road up the valley of the Lewis or Snake River, which saved them eighty miles of their westward route. It was still too early to cross the mountains, and they camped near the place where they had trusted their thirty-eight horses to their Indian friends the autumn before. The Indians returned the horses in exchange for merchandise, and Lewis provided them with food. In all these meetings the squaw wife of the French trader was invaluable. Usually Lewis spoke in English, which was translated by one of his men into French for the benefit of the trapper Chaboneau, who repeated it in the tongue of the Minnetarees to his wife; she would then repeat the words in the Shoshone tongue, and most of the Indians could then understand them, or some could repeat them to the others in their own dialect. Early in June they tried to cross the mountains, but the snow was ten feet deep on a level, and they had to abandon the attempt until late in the month. They finally crossed, and found their trail of the previous September. At this point the party divided in order to explore different parts of the country. Lewis took a direct road to the Great Falls of the Missouri, where he wished to explore Maria's River. Clark went on to the head of the Jefferson River, where he was to find the canoes that they had hidden, and cross by the shortest route to the Yellowstone; and the two parties were to meet at the mouth of the Yellowstone River. Lack of game prevented Lewis getting far into the country along Maria's River. On this journey he fell in with a band of Minnetarees, and some of them tried to steal his guns and horses. The only real fight of the journey followed, in which two Indians were killed. He then continued eastward, and on August 7th reached the mouth of the Yellowstone, where he found a note telling him that Clark had camped a few miles below. In the meantime Clark had explored a large part of the valleys of the Jefferson, Gallatin, and Madison Rivers, and had found a boiling-hot spring at the head of the Wisdom River, one of the first signs of the wonders of the Yellowstone. His journey was made safely and comfortably, although at one place he had to stop to build fresh canoes, and during this delay a band of Indians stole twenty-four of his packhorses.