a small, snug island near the Suppa river, we put ashore for the night.[34] Course as yesterday.
The 9th, we remained all day encamped drying the goods, and were visited only by the Indians in one canoe, who sold us a fine salmon.
{125} On the 10th, at an early hour, we proceeded on our voyage, and met with no obstacle till the evening, when we arrived at the foot of a long and strong rapid, where we encamped near the mouth of a considerable river called Umatallow, which enters the Columbia here. This river takes its rise in a long range of blue mountains, which runs nearly east and west, and forms the northern boundary of the great Snake nation. Opposite to our encampment, on the west side, is situated a large mound or hill of considerable height, which, from its lonely situation and peculiar form, we called Dumbarton Castle.[35] During this day we saw many Indians, all occupied in catching salmon. Course as usual.
On the 11th we commenced ascending the rapid—a task which required all our skill and strength to accomplish; and paddles, poles, hauling lines, and carrying-straps were in requisition in turn, and yet half the day was consumed ere we got to the top. At the foot of this rapid, which is a mile in length, the river makes a quick bend to the east for about two miles, then comes gradually round again to the north from the head of the rapid. The channel of the river is studded on both sides with gloomy black rocks arranged like colonnades, for upwards of twenty
