4th Avenue Boat Ramp

Fee not yet verified Status not yet verified Semi-Private access

4th Avenue Boat Ramp is a semi-private access point in Clinton County, Iowa, providing access to Mississippi River. It sits within the Cattail Slough-Mississippi River watershed.

Sourced from U.S. Geological Survey . Last checked against the source on July 7, 2026.

Boat ramps on Mississippi River

We track 9 public boat ramps on Mississippi River, including this one. If you're planning to spend your time on a different stretch of the water, one of the launch points below may put you closer to where you're actually headed than 4th Avenue Boat Ramp does — they're listed here in order of distance from this ramp.

Other boat ramps in Clinton County

Clinton County tracks 18 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Mississippi River. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as 4th Avenue Boat Ramp or leads somewhere completely different.

Quick facts

County
Clinton County, Iowa
Coordinates
41.7858800, -90.2485076
Waterbody
Mississippi River
Access type
Semi-Private
Last verified
July 7, 2026
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