  {{geobox | river | name = illinois river | category = river | category_hide = 1 | image = green wall.jpg | image_size = 300 | image_caption = rafting the green wall rapids on the illinois river | etymology = the u.s. state of illinois, the birthplace of three brothers named althouse who emigrated to oregon and mined for gold along althouse creek and the illinois river | country = united states | country_flag = 1 | state = oregon | district_type = county | district = josephine and curry | source = confluence of east fork illinois river and west fork illinois river | source_location = near cave junction | source_region = josephine county | source_state = oregon | source_elevation_imperial = 1271 | source_elevation_note = source elevation derived from google earth search using geographic names information system (gnis) source coordinates. | source_length_imperial = | source_lat_d = 42 | source_lat_m = 09 | source_lat_s = 35 | source_lat_ns = n | source_long_d = 123 | source_long_m = 39 | source_long_s = 33 | source_long_ew = w | source_coordinates_note = | mouth_name = rogue river | mouth_location = agness | mouth_district = curry county | mouth_region = | mouth_state = oregon | mouth_country = | mouth_note = | mouth_lat_d = 42 | mouth_lat_m = 33 | mouth_lat_s = 00 | mouth_lat_ns = n | mouth_long_d = 124 | mouth_long_m = 03 | mouth_long_s = 58 | mouth_long_ew = w | mouth_coordinates_note =  | mouth_elevation_imperial = 102 | mouth_elevation_note = | length_imperial = 56 | length_round = 0 | length_note =  | watershed_imperial = 983 | watershed_round = 1 | watershed_note =  the document is appendix e of the illinois appendices in zipped pdf format. | discharge_location = near
Landforms_of_Curry_County,_Oregon Landforms_of_Josephine_County,_Oregon Rivers_of_Oregon Wild_and_Scenic_Rivers_of_the_United_States