Alpine Falls is a 34-foot waterfall on Tye River in King County, Washington, in the North Cascades region. It lies about 23.9 miles southeast of Gold Bar and roughly 40.1 miles east of Sammamish as the crow flies.
At 34 feet it is on the modest side for Washington, where the typical waterfall with a recorded height stands around 82 feet; it ranks 743rd of 941. The tallest single drop is 28 feet. By form it is a segmented waterfall, splitting into two or more separate streams as it falls, combined with a cascade character. It falls in 2 drops.
The North Cascades are a wilderness of jagged peaks, glaciers and deep, forested valleys of western hemlock, silver fir and Douglas fir, with some of the heaviest snowfall in the country. Meltwater from glaciers and snowfields pours down thousands of feet of cliffs in countless cascades and horsetail falls. Tye River carries 5 recorded waterfalls; the biggest of them reaches 35 feet.
King County holds 236 recorded waterfalls, and several are close by. Log Choke Falls, a 35-foot tiered plunge waterfall, is about 1 miles away. L Falls, a 27-foot segmented cascade waterfall, is about 1.4 miles away. Monkey Cage Falls, a 16-foot slide punchbowl waterfall, is about 1.5 miles away.
Alpine Falls is located at 47.7168° N, 121.2262° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.