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Port of ALTON

USALN🇺🇸USA

Port Location

About Port of ALTON

Alton is a port located on the Mississippi River in Illinois, USA. It serves as a transshipment point for bulk commodities moving along the inland waterway system.

Current Conditions

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Vessel Limits

Elevation
323m

Operations & Services

References & Identifiers

GeoNames ID
4256431 →

Identification

UN/LOCODE
USALN
Country
🇺🇸USA
Time Zone
UTC-5
Feature Type
CNL (Canal)

Classification

Type
Marina

Region

Area
Inland, USA
Latitude
38.8853°
Longitude
-90.1788°

Nearby Vessels

Flag
Type
Name
Dist.
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Frequently Asked Questions

How do I navigate the approach to the Port of ALTON?+
The approach to ALTON is supported by 2 navigation aids within 50 nautical miles. The nearest is Grafton Lighthouse at 13 NM to the WNW. Other aids include Duck Club Marina (14.1 NM WNW). Mariners should consult the relevant chart and List of Lights for full approach details.
What sea or ocean is the Port of ALTON on?+
The Port of ALTON is situated on the North Pacific Ocean in US. The area falls within the temperate maritime climate zone, which can influence port operations and seasonal shipping patterns.
How do I track vessels arriving at or departing from the Port of ALTON?+
You can track vessels near ALTON (USALN) in real time using MarineRadar. The platform displays live AIS positions of nearby ships, including vessel name, type, flag, speed, and course. Use the "Track Vessels Nearby" button on this page or search for USALN on the live map.
What are the operating hours and time zone for the Port of ALTON?+
The Port of ALTON operates in the UTC-5 time zone. Operating hours, VTS schedules, and pilot availability vary — vessel agents should confirm with the port authority in advance, especially for night arrivals or weekend operations.