page_title: Nodoubt Peak
section_title: Geology
hierarchical_section_title: Nodoubt Peak / Geology
caption_attribution_description: English: Redoubt &amp; Nodoubt
context_page_description: Nodoubt Peak is a remote 7,290-foot mountain summit in the Skagit Range of the North Cascades of Washington state. Nodoubt Peak is situated in North Cascades National Park, 2.2 kilometres south of the Canada–United States border. Its nearest higher peak is Canuck Peak, 1.43 mi to the southeast, and Mount Redoubt rises 3.04 mi also to the southeast of Nodoubt. Nodoubt Peak was named by a group of geologists who climbed the peak in 1967. Its name is a word play on Mount Redoubt's name. Precipitation runoff from Nodoubt Peak drains into tributaries of the Chilliwack River.
context_section_description: The North Cascades features some of the most rugged topography in the Cascade Range with craggy peaks, ridges, and deep glacial valleys. Geological events occurring many years ago created the diverse topography and drastic elevation changes over the Cascade Range leading to various climate differences.
  The history of the formation of the Cascade Mountains dates back millions of years ago to the late Eocene Epoch. With the North American Plate overriding the Pacific Plate, episodes of volcanic igneous activity persisted. In addition, small fragments of the oceanic and continental lithosphere called terranes created the North Cascades about 50 million years ago.
  During the Pleistocene period dating back over two million years ago, glaciation advancing and retreating repeatedly scoured and shaped the landscape. The U-shaped cross section of the river valleys are a result of recent glaciation. Uplift and faulting in combination with glaciation have been the dominant processes which have created the tall peaks and deep valleys of the North Cascades area.
caption: Mt. Redoubt (left) and Nodoubt (right) beyond Chilliwack Lake
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