Map ID Name Region Type Scale Date Source Description 1 Mississippi River Map USA River 1:50000 2022 USGS Detailed navigation and topography of the Mississippi River. 2 Thames River Map UK River 1:25000 2021 Ordnance Survey Comprehensive map of the River Thames and surrounding areas. 3 Amazon River Map Brazil River 1:100000 2020 IBGE Map showcasing the Amazon River basin and tributaries. 4 Seychelles Marine Map Seychelles Ocean 1:100000 2022 Seychelles Government Marine navigation map for the Seychelles archipelago. 5 Nile River Map Egypt River 1:50000 2021 Egyptian Survey Authority Includes key sites along the Nile throughout Egypt. 6 Great Lakes Map USA/Canada Lakes 1:250000 2022 NOAA Navigation chart for the Great Lakes region. 7 Danube River Map Central Europe River 1:200000 2021 European Waterway Statistics Detailed map of the Danube River and its tributaries. 8 Yangtze River Map China River 1:40000 2021 China National Geographic Navigational and geographical details of the Yangtze River. 9 Volga River Map Russia River 1:300000 2020 Russian Federal Waterways Map showing the Volga River and major cities along its banks. 10 Ganges River Map India River 1:75000 2021 Indian Survey Department Comprehensive map of the Ganges River and surrounding areas. 11 Rio Grande Map USA/Mexico River 1:100000 2022 USGS Maps the Rio Grande from its headwaters to the Gulf of Mexico. 12 Hudson River Map USA River 1:25000 2021 New York State GIS Highly detailed map covering the Hudson River. 13 Colorado River Map USA River 1:120000 2022 Bureau of Reclamation Provides detailed information on the Colorado River. 14 Zambezi River Map Africa River 1:200000 2020 Hydrological Research Institute Detailed map of the Zambezi River and its ecosystems. 15 Po River Map Italy River 1:150000 2021 Italian Waterways Authority Map of the Po River with surrounding agricultural areas. 16 Rhone River Map France River 1:100000 2022 French National Mapping Agency Navigation and geographic map for the Rhone River. 17 Seine River Map France River 1:25000 2021 Paris Mapping Office Detailed urban navigation map of the Seine River. 18 Elbe River Map Germany/Czech Republic River 1:300000 2022 Geographic Institute of Germany Map of the Elbe River from the Czech border to the North Sea. 19 Loire River Map France River 1:200000 2021 Loire Valley Mapping Agency Covers the Loire River and its castles. 20 Murray River Map Australia River 1:250000 2022 Australian Water Authority Comprehensive overview of the Murray River system. 21 Dnieper River Map Ukraine River 1:150000 2021 Ukrainian Geographical Society Shows the Dnieper River from its source to the Black Sea. 22 Cormorant Lake Map USA Lake 1:10000 2021 State Lake Mapping Division Topography and recreational features of Cormorant Lake. 23 Bay of Biscay Map Spain/France Ocean 1:500000 2020 Nautical Charts Division Marine navigation map for the Bay of Biscay. 24 San Francisco Bay Map USA Bay 1:10000 2022 California Coastal Commission Detailed map of the San Francisco Bay Area. 25 Tiber River Map Italy River 1:30000 2021 Italian National Survey Map showing key points along the Tiber River. 26 Missouri River Map USA River 1:50000 2021 Natural Resources Conservation Service Comprehensive map of the Missouri River. 27 Saskatchewan River Map Canada River 1:250000 2020 Canada Waterway Agency Shows the Saskatchewan River and its tributaries. 28 Lima Waterways Map Peru Urban 1:15000 2022 Lima Urban Planning Map of rivers and canals in the Lima area. 29 Spree River Map Germany River 1:50000 2021 Berlin Waterways Survey Detailed navigational map of the Spree River. 30 Ouse River Map UK River 1:200000 2022 British Nautical Charts Navigational map for the River Ouse. 31 Sierra Nevada Lakes Map USA Lake 1:50000 2021 US Forest Service Topographic map of lakes in the Sierra Nevada mountains. 32 Burgundy Canal Map France Canal 1:100000 2021 Burgundy Canal Authority Map for navigation and tourism along the Burgundy Canal. 33 Corinth Canal Map Greece Canal 1:50000 2022 Greek Maritime Authority Maps the Corinth Canal and surrounding areas. 34 Kiel Canal Map Germany Canal 1:75000 2021 Bundesanstalt für Wasserbau Detailed navigation map for the Kiel Canal. 35 Saint Lawrence Seaway Map Canada/USA Seaway 1:200000 2022 Great Lakes Seaway System Maritime navigation map along the Saint Lawrence Seaway. 36 Chesapeake Bay Map USA Bay 1:100000 2021 NOAA Detailed map covering the Chesapeake Bay area. 37 Potomac River Map USA River 1:25000 2021 Potomac River Conservancy Map of the Potomac River, vital for ecological studies. 38 Rhine River Map Germany/Netherlands River 1:50000 2022 Rhine Water Management Bureau Comprehensive map of the Rhine River. 39 Congo River Map Central Africa River 1:100000 2020 African Waterways Authority Navigational and ecological details of the Congo River. 40 James River Map USA River 1:150000 2021 Virginia Department of Environmental Quality Covers the James River and its tributaries. 41 Red River Map USA/Canada River 1:200000 2021 Red River Basin Commission Shows the Red River and its floodplain. 42 Fraser River Map Canada River 1:250000 2022 British Columbia Water Management Map of the Fraser River with biological annotations. 43 Maine Coastline Map USA Coast 1:100000 2021 Maine Department of Marine Resources Cartographic details of Maine's coastal waterways. 44 Toledo Bend Reservoir Map USA Reservoir 1:20000 2022 Louisiana Water Resources Map for recreational use and navigation of the reservoir. 45 Saskatoon River Map Canada River 1:20000 2022 Saskatoon Mapping Agency Detailed urban map of rivers in Saskatoon. 46 Patuxent River Map USA River 1:100000 2021 Maryland State Highway Administration Detailing ecological and navigational aspects of the Patuxent River. 47 Lake Tahoe Map USA Lake 1:25000 2022 Nevada Division of State Parks Map of recreational sites and trails around Lake Tahoe. 48 Bayou Map USA Swamp 1:75000 2021 Louisiana Wetlands Conservation Detailed map of bayous in southern Louisiana. 49 Niagara River Map Canada/USA River 1:50000 2022 Niagara Parks Commission Official map of the Niagara River and its attractions. 50 Mekong River Map Southeast Asia River 1:100000 2020 Mekong River Commission Map showcasing the Mekong River basin and its significance. 51 Seine River Paris Map France Urban River 1:10000 2021 Paris City Council Detailed map of the Seine River through Paris. 52 Lake Erie Map USA/Canada Lake 1:100000 2022 Great Lakes Geographic Society Covers recreational areas and navigation in Lake Erie. 53 Connecticut River Map USA River 1:150000 2021 Connecticut Department of Energy Map detailing the Connecticut River area. 54 Yukon River Map Canada/USA River 1:300000 2020 Yukon Water Board Mapping the Yukon River from its sources to the Bering Sea. 55 Hudson Bay Map Canada Bay 1:700000 2022 Canadian Hydrographic Service Comprehensive marine chart of Hudson Bay. 56 Lyon Canal Map France Canal 1:50000 2021 Lyon Department of Transport Details of canals within the city of Lyon. 57 Cuyahoga River Map USA River 1:25000 2022 Cuyahoga Valley National Park Map focusing on conservation and navigation of the Cuyahoga River. 58 Mersey River Map UK River 1:20000 2021 Merseyside Mapping Agency Covers vital navigation and ecological aspects of the River Mersey. 59 Oklahoma Red River Map USA River 1:200000 2021 Oklahoma Water Resources Board Comprehensive maps for the Red River in Oklahoma. 60 Sumida River Map Japan River 1:10000 2021 Tokyo Metropolitan Government Urban map of the Sumida River in Tokyo. 61 Bear River Map USA River 1:100000 2021 Utah Division of Water Resources Detailed ecological map of the Bear River. 62 Perth Coastal Map Australia Coast 1:50000 2020 Western Australia Marine Authority Map of coastal waters and features near Perth. 63 Pigeon River Map USA River 1:20000 2021 Tennessee Water Resources Map for local navigation and recreation along the Pigeon River. 64 Cedar River Map USA River 1:25000 2021 Iowa Department of Natural Resources Detailed ecological and recreational map of the Cedar River. 65 Magdalena River Map Colombia River 1:300000 2020 Colombian River Commission Comprehensive mapping of the Magdalena River system. 66 Charles River Map USA River 1:10000 2021 Boston City Planning Division Urban navigation and recreational map of the Charles River. 67 Neva River Map Russia River 1:20000 2021 St. Petersburg Mapping Office Maps landmarks and ecological features along the Neva River. 68 Hudson River Estuary Map USA Estuary 1:50000 2022 Hudson River Estuary Program Map illustrating the Hudson River Estuary ecosystem. 69 Alsek River Map Canada/USA River 1:250000 2021 Alaska Water Resource Department Mapping of the Alsek River for conservation efforts. 70 Catawba River Map USA River 1:200000 2022 North Carolina Department of Water Resources Mapped for navigation and ecological studies. 71 Kootenai River Map USA/Canada River 1:100500 2020 U.S. Fish and Wildlife Service Important habitats along the Kootenai River. 72 Yarra River Map Australia River 1:25000 2021 Victoria State Government Detailed map of the Yarra River through Melbourne. 73 Tigris River Map Iraq River 1:200000 2020 Iraqi Ministry of Water Resources Historical and ecological data of the Tigris River. 74 Sarawak Rivers Map Malaysia River 1:50000 2021 Sarawak Forestry Corporation Covers major rivers in Sarawak for conservation. 75 Savannah River Map USA River 1:100000 2022 Georgia Environmental Protection Division Maps ecological and navigational features along the Savannah River. 76 Danube Delta Map Romania/Ukraine Delta 1:200000 2021 Danube Delta Biosphere Reserve Detailed ecosystem mapping of the Danube Delta. 77 Guadalquivir River Map Spain River 1:150000 2022 Spanish Water Authority Map of the Guadalquivir for cultural and ecological studies. 78 Chao Phraya River Map Thailand River 1:25000 2021 Bangkok Metropolitan Administration Urban map of the Chao Phraya River. 79 Labrador Coastal Map Canada Coast 1:300000 2020 Canadian Coast Guard Detailed navigation and resource map of Labrador's coast. 80 Ebro River Map Spain River 1:150000 2022 Catalonia Water Agency Comprehensive map of the Ebro River from north to south. 81 Houses of the Parliament Area Map UK Urban 1:5000 2022 Westminster City Council Map focusing on water features around the Houses of Parliament. 82 Canals of Venice Map Italy Canal 1:10000 2021 Venetian Waterways Authority Detailed urban map of Venice's canals. 83 Baker River Map Chile River 1:150000 2021 Chilean Water Bureau Covers the Baker River in the Patagonia region. 84 Kawartha Lakes Map Canada Lake 1:75000 2022 Ontario Ministry of Natural Resources Map detailing lakes in the Kawartha region. 85 Limpopo River Map Southern Africa River 1:200000 2021 Southern African Water Authority Comprehensive mapping of the Limpopo River. 86 Rio d'Ouro Map Brazil River 1:100000 2020 Brazilian Waterway Authority Mapping of the Rio d'Ouro for conservation and navigation. 87 Maries River Map USA River 1:100000 2021 Missouri Natural Resources Mapping the Maries River for ecological assessments. 88 Lehigh River Map USA River 1:50000 2021 Pennsylvania Geography Office Detailed navigation map of the Lehigh River. 89 Lysefjord Map Norway Fjord 1:20000 2022 Norwegian Coastal Administration Map of the Lysefjord and its hiking trails. 90 Magothy River Map USA River 1:25000 2021 Maryland Geological Survey Covers ecological features of the Magothy River. 91 Mekong Delta Map Vietnam Delta 1:100000 2022 Vietnamese Ministry of Natural Resources Map of waterways in the Mekong Delta region. 92 Chesapeake Bay Watershed Map USA Watershed 1:250000 2021 EPA Chesapeake Bay Program Covering ecological and hydrological features. 93 Kyle of Lochalsh Map Scotland Coast 1:10000 2021 Scottish Hydrographic Office Detailed coastal map of the Kyle region. 94 Raritan River Map USA River 1:50000 2022 New Jersey Division of Water Supply Mapping the Raritan River for fishery studies. 95 Tkvarcheli Map Abkhazia River 1:25000 2021 Abkhazian Geographical Society Map of the Tkvarcheli area along rivers. 96 Waitaki River Map New Zealand River 1:100000 2020 New Zealand Regional Council Covers the Waitaki River and its basin. 97 Teesta River Map India/Bangladesh River 1:200000 2021 Teesta River Basin Authority Comprehensive environmental map of the Teesta River. 98 Clyde River Map Scotland River 1:50000 2022 Scottish Environment Agency Map of the River Clyde and its ecosystems. 99 Kocher River Map Germany River 1:100000 2021 German Water Management Agency Mapping the Kocher River basin. 100 Hanauma Bay Map Hawaii USA Bay 1:10000 2021 Hawaii State Department of Land and Natural Resources Map showcasing marine features of Hanauma Bay.