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〕 | mouth_name = Coast Fork Willamette River | mouth_location = Lane County | mouth_district = | mouth_region = | mouth_state = Oregon | mouth_country = | mouth_note = | mouth_lat_d = 43 | mouth_lat_m = 35 | mouth_lat_s = 43 | mouth_lat_NS = N | mouth_long_d = 123 | mouth_long_m = 04 | mouth_long_s = 03 | mouth_long_EW = W | mouth_coordinates_note = 〔 | mouth_elevation_imperial = 1004 | mouth_elevation_note = 〔 | length_imperial = 12 | length_round = 0 | length_note = 〔 The maps, which include river mile (RM) markers for the lower of the river, cover the following quadrants from mouth to source: Harness Mountain, Burnt Mountain〕 | watershed_imperial = | watershed_round = 0 | watershed_note = | discharge_location = | discharge_round = 0 | discharge_note = | discharge_min_imperial = | discharge_max_imperial = | discharge1_location = | discharge1_imperial = | discharge1_note = | map = | map_size = | map_caption = |map_alt = | map1 = Oregon Locator Map.PNG | map1_size = 300 | map1_caption = Location of the mouth of the Big River in Oregon | map1_alt = | map1_locator = Oregon | commons = }} The Big River is a tributary of the Coast Fork Willamette River, approximately long, in western Oregon in the United States. It drains an area of the Calapooya Mountains south of Eugene.〔 It rises in northern Douglas County, northwest of Huckleberry Mountain, approximately south-southeast of Cottage Grove at . It flows northwest through Lane County to form the Coast Fork of the Willamette at its confluence with the Little River, about south of Cottage Grove at 〔〔 ==Course== Flowing northwest from the northern flanks of the Calapooya Mountains in Douglas County, Big River enters Lane County about downstream from the source. Box Canyon enters from the right at about river mile (RM) 9 or river kilometer (RK) 14. Big River receives Boulder Creek from the left, then Edwards Creek enters from the right at about RM 6 (RK 10). After receiving Bar Creek from the left and Martin Creek from the right, Big River meets Little River to form the Coast Fork Willamette River about from where the larger stream meets the Middle Fork Willamette River to form the Willamette River.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Big River (Oregon)」の詳細全文を読む スポンサード リンク
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