| The park stands at the foot of one of the greatest geological wonders in North America -- a former waterfall that now stands as a dry cliff 400 feet high and 3.5 miles wide. When active, this waterfall was four times larger than Niagara Falls. Carved by ice-age flood and known as "Dry Falls," this natural monument is the site of a staff visitor center. The surrounding area is full of beautiful natural formations. | | • Ash
• Poplar
• Thistle
• Poison Oak
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