These services require persistent and reliable Internet connections, therefore we DO NOT recommend dynamic web map services for real-time navigation. Please download the river charts to your local system for disconnected operations.
River System |
River Miles |
From Town |
To Town |
Cell Name |
Update Date |
Allegheny |
001 to 046 |
Pittsburgh, PA |
Kittanning, PA |
U37AG001 |
02/20/2024 |
Arkansas |
001 to 063 |
Birmingham Bend |
Plum Bayou |
U37AR001 |
11/30/2023 |
Arkansas |
063 to 126 |
Plum Bayou |
Murray Lock and Dam (No. 7) |
U37AR063 |
03/01/2024 |
Arkansas |
126 to 186 |
Murry Lock and Dam (No. 7) |
Petit Jean Light |
U37AR126 |
11/30/2023 |
Arkansas |
186 to 246 |
Petit Jean Light |
McLean Bottom Light |
U37AR186 |
11/30/2023 |
Arkansas |
246 to 308 |
Kalamazoo |
US Hwy 64 Garrison St. Bridge |
U37AR246 |
03/01/2024 |
Arkansas |
308 to 376 |
Poteau River |
Spaniard Creek |
U37AR308 |
04/28/2023 |
Arkansas |
376 to 444 |
Spaniard Creek |
Port of Catoosa (Head of Navigation) |
U37AR376 |
03/01/2024 |
Atchafalaya |
000 to 046 |
Red River |
Bayou Big Graw |
U37AT000 |
03/01/2024 |
Atchafalaya |
046 to 117 |
Bayou Big Graw |
Morgan City, LA |
U37AT046 |
03/01/2024 |
Black Warrior |
311 to Head |
McPherson Landing |
Head of Navigation |
U37BW311 |
03/01/2024 |
Clinch |
007 to 062 |
Kingston, TN |
Clinton, TN |
U37CL007 |
02/20/2024 |
Cumberland |
003 to 075 |
Smithland, KY |
Tobaccoport, TN |
U37CR003 |
03/15/2024 |
Cumberland |
075 to 149 |
Tobaccoport, TN |
Cheatham Lock and Dam |
U37CR075 |
02/20/2024 |
Cumberland |
149 to 221 |
Cheatham Lock and Dam |
Old Hickory, TN |
U37CR149 |
02/20/2024 |
Cumberland |
221 to 307 |
Old Hickory, TN |
Carthage, TN |
U37CR221 |
02/20/2024 |
Cumberland |
307 to 381 |
Carthage, TN |
Celina, TN |
U37CR307 |
02/20/2024 |
Green |
001 to 108 |
Spottsville, KY |
Rochester, KY |
U37GR001 |
02/20/2024 |
Illinois |
005 to 082 |
Grafton, IL |
La Grange, IL |
U37IL005 |
03/01/2024 |
Illinois |
082 to 137 |
LaGrange, IL |
Copperas Creek |
U37IL082 |
03/01/2024 |
Illinois |
137 to 199 |
Copperas Creek |
Senachwine Lake |
U37IL137 |
03/01/2024 |
Illinois |
199 to 257 |
Senachwine Lake |
Barry Island |
U37IL199 |
03/01/2024 |
Illinois |
257 to 302 |
Barry Island |
Downstream of Junction with Cal-Sag |
U37IL257 |
03/01/2024 |
Illinois |
302 to 322 |
Junction with Cal-Sag S. Pulaski Bridge |
Upper Acme Bend |
U37IL302 |
02/01/2024 |
Kanawha |
001 to 024 |
Point Pleasant, WV |
Handleys Landing Light and Daymark |
U37KA001 |
02/20/2024 |
Kanawha |
024 to 050 |
Handleys Landing Light and Daymark |
Jefferson, WV |
U37KA024 |
02/20/2024 |
Kanawha |
050 to 065 |
Jefferson, WV |
Charleston, WV |
U37KA050 |
02/20/2024 |
Kanawha |
065 to 091 |
Charleston, WV |
Boomer, WV |
U37KA065 |
02/20/2024 |
Kaskaskia |
002 to 036 |
Kaskaskia Lock and Dam |
Fayetteville, IL |
U37KK002 |
03/01/2024 |
Lower Mississippi |
236 to 325 |
Wilkinson Pt |
Palmetto, LA |
U37LM236 |
03/01/2024 |
Lower Mississippi |
325 to 425 |
Palmetto, LA |
Diamond cut-off (Oak Bend) |
U37LM325 |
03/01/2024 |
Lower Mississippi |
425 to 520 |
Diamond cut-off (Oak Bend) |
Kentucky Bend |
U37LM425 |
03/01/2024 |
Lower Mississippi |
520 to 601 |
Kentucky Bend |
Scrubgrass Bend |
U37LM520 |
03/01/2024 |
Lower Mississippi |
601 to 716 |
Scrubgrass Bend |
Cow Island Bend (Memphis) |
U37LM601 |
02/01/2024 |
Lower Mississippi |
716 to 829 |
Cow Island Bend (Memphis) |
Huffman Landing |
U37LM716 |
03/01/2024 |
Lower Mississippi |
829 to 951 |
Huffman Landing |
Cairo, IL |
U37LM829 |
03/01/2024 |
Missouri |
000 to 101 |
St. Louis, MO |
Gasconade River |
U37MO000 |
03/01/2024 |
Missouri |
101 to 201 |
Gasconade River |
Lamine River Bend |
U37MO101 |
03/01/2024 |
Missouri |
201 to 301 |
Lamine River Bend |
Baltimore Bend |
U37MO201 |
03/01/2024 |
Missouri |
301 to 399 |
Baltimore Bend |
Weston, MO |
U37MO301 |
03/01/2024 |
Missouri |
399 to 499 |
Weston, MO |
Rulo, NE |
U37MO399 |
11/30/2023 |
Missouri |
499 to 600 |
Rulo, NE |
Bellevue, NE |
U37MO499 |
03/01/2024 |
Missouri |
600 to 735 |
Bellevue, NE |
Sioux City, SD |
U37MO600 |
03/01/2024 |
Monongahela |
001 to 042 |
Pittsburgh, PA |
North Charleroi, PA |
U37MN001 |
02/20/2024 |
Monongahela |
042 to 086 |
North Charleroi, PA |
Greensboro, PA |
U37MN042 |
02/20/2024 |
Monongahela |
086 to 128 |
Greensboro, PA |
Whitehall, PA |
U37MN086 |
03/15/2024 |
Ohio |
001 to 012 |
Pittsburgh, PA |
Pittsburgh, PA |
U37OH001 |
02/20/2024 |
Ohio |
012 to 032 |
Pittsburgh, PA |
Montgomery Lock and Dam |
U37OH012 |
04/18/2023 |
Ohio |
032 to 087 |
Montgomery Lock and Dam |
Wheeling, WV, Lower Sisters Island |
U37OH032 |
02/20/2024 |
Ohio |
087 to 128 |
Wheeling, WV, Lower Sisters Island |
Hannibal Lock and Dam |
U37OH087 |
02/20/2024 |
Ohio |
128 to 166 |
Hannibal Lock and Dam |
Maplewood, WV |
U37OH128 |
03/15/2024 |
Ohio |
166 to 204 |
Maplewood, WV |
Belleville Lock and Dam |
U37OH166 |
11/14/2023 |
Ohio |
204 to 275 |
Belleville Lock and Dam |
Clipper Mills, OH |
U37OH204 |
02/20/2024 |
Ohio |
275 to 312 |
Clipper Mills, OH |
Huntington West End Highway Bridge |
U37OH275 |
03/15/2024 |
Ohio |
312 to 332 |
Huntington West End Highway Bridge |
Worthington, KY |
U37OH312 |
01/16/2024 |
Ohio |
332 to 391 |
Worthington, KY |
Concord, KY |
U37OH332 |
02/20/2024 |
Ohio |
391 to 439 |
Concord, KY |
Captain Anthony Meldahl Lock and Dam |
U37OH391 |
02/20/2024 |
Ohio |
439 to 534 |
Captain Anthony Meldahl Lock and Dam |
Markland, IN |
U37OH439 |
03/15/2024 |
Ohio |
534 to 582 |
Markland, IN |
Eighteen Mile Island |
U37OH534 |
03/15/2024 |
Ohio |
582 to 644 |
Eighteen Mile Island |
Tabacco Bend |
U37OH582 |
03/15/2024 |
Ohio |
644 to 736 |
Tobacco Bend |
Anderson Island |
U37OH644 |
03/15/2024 |
Ohio |
736 to 852 |
Anderson Island |
Wabash River |
U37OH736 |
03/15/2024 |
Ohio |
852 to 912 |
Wabash River |
Bay City, IL |
U37OH852 |
03/15/2024 |
Ohio |
912 to 980 |
Bay City, IL |
Mississippi River |
U37OH912 |
03/15/2024 |
Ouachita |
005 to 089 |
Palmetto Lodge |
McSween Lodge |
U37OU005 |
03/01/2024 |
Ouachita |
089 to 178 |
Lower Coles Lodge |
River Styx Lodge |
U37OU089 |
03/01/2024 |
Ouachita |
178 to 256 |
Smith Lodge |
Garretts Lodge |
U37OU178 |
02/01/2024 |
Ouachita |
256 to 338 |
Garretts Lodge |
Camden, AR |
U37OU256 |
03/01/2024 |
Red |
007 to 071 |
Atchafalaya River |
Harris Ferry |
U37RR007 |
03/01/2024 |
Red |
071 to 165 |
Harris Ferry |
Powhatan, LA |
U37RR071 |
03/01/2024 |
Red |
165 to 237 |
Powhatan, LA |
Shreveport, LA |
U37RR165 |
03/01/2024 |
Tennessee |
005 to 047 |
Clarks River |
Anderson Creek |
U37TN005 |
02/20/2024 |
Tennessee |
047 to 085 |
Anderson Creek |
Little Crooked Creek |
U37TN047 |
09/15/2023 |
Tennessee |
085 to 133 |
Little Crooked Creek |
Busseltown, TN |
U37TN085 |
12/18/2023 |
Tennessee |
133 to 218 |
Busseltown, TN |
Panther Creek |
U37TN133 |
08/15/2023 |
Tennessee |
218 to 262 |
Panther Creek |
Florence, AL |
U37TN218 |
10/19/2023 |
Tennessee |
262 to 306 |
Florence, AL |
Decatur, AL |
U37TN262 |
02/20/2024 |
Tennessee |
306 to 361 |
Decatur, AL |
Guntersville, AL |
U37TN306 |
03/15/2024 |
Tennessee |
361 to 391 |
Guntersville, AL |
Bellefonte, AL |
U37TN361 |
02/20/2024 |
Tennessee |
391 to 450 |
Bellefonte, AL |
Racoon Mountain |
U37TN391 |
02/20/2024 |
Tennessee |
450 to 518 |
Raccoon Mountain |
Town Creek |
U37TN450 |
11/14/2023 |
Tennessee |
518 to 564 |
Town Creek |
River Knobs |
U37TN518 |
12/19/2022 |
Tennessee |
564 to 606 |
River Knobs |
Donaldson Light |
U37TN564 |
03/15/2024 |
Tennessee |
606 to 652 |
Donaldson Light |
Head of Navigation |
U37TN606 |
02/20/2024 |
Tenn-Tom |
218 to 320 |
Mile 218 |
Tombigbee River |
U37TT218 |
03/01/2024 |
Tenn-Tom |
320 to 385 |
Tombigbee River |
Mile 385 |
U37TT320 |
03/01/2024 |
Tenn-Tom |
385 to 450 |
Mile 385 |
Mississippi Hwy 25 Bridge |
U37TT385 |
03/01/2024 |
Tombigbee |
001 to 088 |
Mobile Bay |
East Bassetts Creek (Powells Landing) |
U37TB001 |
03/01/2024 |
Tombigbee |
088 to 176 |
East Bassetts Creek (Powells Landing) |
Liberty Landing |
U37TB088 |
03/01/2024 |
Tombigbee |
176 to 311 |
Liberty Landing |
McPherson Landing |
U37TB176 |
03/01/2024 |
Upper Mississippi |
000 to 079 |
Cairo, IL |
Grand Tower (Tower Island Bar) |
U37UM000 |
03/01/2024 |
Upper Mississippi |
079 to 155 |
Grand Tower (Tower Island Bar) |
Harrisonville, IL |
U37UM079 |
03/01/2024 |
Upper Mississippi |
155 to 218 |
Harrisonville, IL |
Grafton, IL |
U37UM155 |
03/01/2024 |
Upper Mississippi |
218 to 301 |
Grafton, IL |
Lock and Dam #22 (Taylor Island) |
U37UM218 |
03/01/2024 |
Upper Mississippi |
301 to 359 |
L and D #22 (Taylor Island) |
Warsaw, IL |
U37UM301 |
03/01/2024 |
Upper Mississippi |
359 to 432 |
Warsaw, IL |
Edwards River |
U37UM359 |
03/01/2024 |
Upper Mississippi |
432 to 481 |
Edwards River |
Rock Island |
U37UM432 |
03/01/2024 |
Upper Mississippi |
481 to 526 |
Rock Island, IL |
Clinton, IA |
U37UM481 |
03/01/2024 |
Upper Mississippi |
526 to 553 |
Clinton, IA |
Bowman Slough |
U37UM526 |
03/01/2024 |
Upper Mississippi |
553 to 578 |
Bowman Slough |
Dubuque, IA |
U37UM553 |
03/01/2024 |
Upper Mississippi |
578 to 615 |
Dubuque, IA |
Guttenberg, IA |
U37UM578 |
03/01/2024 |
Upper Mississippi |
615 to 660 |
Guttenberg, IA |
Winnesheik Slough |
U37UM615 |
03/01/2024 |
Upper Mississippi |
660 to 723 |
Winnesheik Slough |
Winona, MN |
U37UM660 |
03/01/2024 |
Upper Mississippi |
723 to 785 |
Winona, MN |
Friedrich Pt |
U37UM723 |
03/01/2024 |
Upper Mississippi |
785 to 819 |
Friedrich Pt |
Nininger, MN |
U37UM785 |
03/01/2024 |
Upper Mississippi |
819 to 866 |
Nininger, MN |
Head of Navigation |
U37UM819 |
03/01/2024 |
White |
010 to 255 |
Arkansas Post Canal |
Newport, AR |
U37WH010 |
08/31/2023 |