Perched on limestone bluffs above the mighty Mississippi, Alton punches well above its size — abolitionist history, the world's tallest man, and bald eagles soaring the confluence make this small river town a surprisingly rich shore-day stop.
River cruise ships dock at the Alton Marina or the National Great Rivers Museum dock, just steps from the Mississippi riverfront.
💡 Pro move: The National Great Rivers Museum is literally adjacent to the main dock — start there for free exhibits and lock-and-dam tours.
Cruise ships berth alongside the Alton Marina or the Great Rivers Museum dock on the Mississippi riverfront.
| Cruise Line | Typical Berth / Arrival | Dock or Tender |
|---|---|---|
| American Cruise Lines | Alton Marina / Great Rivers Museum dock, Alton riverfront📍 | Docked |
| American Queen Voyages | Alton riverfront pier📍 | Docked |
| Viking River Cruises | Alton riverfront📍 | Docked |
From free riverside museums to haunted ghost tours and eagle-spotting bluff drives, Alton delivers a full day of genuinely varied shore options.
Explore exhibits on abolitionist Elijah Lovejoy, jazz legend Miles Davis, and Robert Wadlow — the 8 ft 11 in tallest man in recorded history, born right here in Alton. A 25-minute documentary film and Wadlow artifacts make this a must.
Find Alton history tours →A few miles north of Alton, this tower overlooks the dramatic confluence of the Mississippi and Missouri Rivers — the very spot where Lewis and Clark began their legendary journey west. Panoramic views on a clear day are stunning.
Find confluence tower tours →Illinois' largest state park sits 20 minutes west of Alton at the confluence of the Illinois and Mississippi Rivers. Scenic bluff overlooks, hiking trails, bald eagle watching (winter), and the historic Pere Marquette Lodge make it a great half-day escape.
Find Pere Marquette tours →Right at the dock, this free Smithsonian-affiliated museum covers the ecology and commerce of the Mississippi through hands-on exhibits. Free guided tours of the adjacent Melvin Price Locks and Dam let you watch river barges pass through — a surprisingly engaging experience.
Find Great Rivers Museum tours →A UNESCO World Heritage Site just 30 minutes from Alton, Cahokia Mounds preserves the largest pre-Columbian settlement north of Mexico. Monks Mound rises 100 feet and once supported a city of 20,000 people — sobering and spectacular.
Find Cahokia Mounds tours →Alton is regularly rated one of America's most haunted small cities. Evening ghost walks cover the Mineral Springs Hotel, McPike Mansion, and Civil War-era sites. A fun option if your ship overnights.
Find Alton ghost tours →Historic Downtown Alton is compact and very walkable from the riverfront dock, with Victorian architecture, statues, and river bluff views.
From the dock, stroll along the Mississippi riverfront past the Clark Bridge, then head into Historic Downtown Alton. Stop at the Robert Wadlow statue on E Broadway, visit the Elijah P. Lovejoy Memorial, and browse the antique shops along State Street.
Head north on the Great River Road (IL-100) to see the Piasa Bird — a large Native American mythological creature painted on the limestone bluffs above the river. The bike path along this stretch is flat and scenic with river views the whole way.
📍 Open in MapsClimate normals for Alton, Illinois, USA (2014–2023 averages). Pack for the month you sail — highs, lows, and how many rainy days to expect.
| Month | Avg High | Avg Low | Rainy Days |
|---|---|---|---|
| Jan | 45°F / 7°C | 28°F / -2°C | 8 |
| Feb | 49°F / 9°C | 30°F / -1°C | 10 |
| Mar | 59°F / 15°C | 39°F / 4°C | 13 |
| Apr | 67°F / 19°C | 48°F / 9°C | 11 |
| May | 76°F / 24°C | 58°F / 14°C | 13 |
| Jun | 86°F / 30°C | 67°F / 19°C | 11 |
| Jul | 89°F / 32°C | 71°F / 22°C | 11 |
| Aug | 87°F / 31°C | 69°F / 21°C | 12 |
| Sep | 83°F / 28°C | 64°F / 18°C | 6 |
| Oct | 71°F / 22°C | 52°F / 11°C | 9 |
| Nov | 57°F / 14°C | 39°F / 4°C | 8 |
| Dec | 50°F / 10°C | 34°F / 1°C | 8 |
Source: Open-Meteo ERA5 (10-yr daily averages)
Upcoming cruises that call at Alton, Illinois, USA. Dates, prices, and ports of call change — always confirm with the cruise line before booking.
Itineraries and prices change — always confirm with the cruise line before booking. Some links are affiliate links that may earn us a commission at no extra cost to you.