Iowa fishing maps / Union County

Fishing in Union County, Iowa

7 lakes and rivers in Union County have free interactive depth charts here, 7 of them built on real survey bathymetry. The deepest is Three Mile Lake at 48 ft. Open any water for species-rated spots, seasonal bite windows and bait picks.

• Green Valley Lake 22 ft · survey
• Hurley Creek Pond 7 ft · survey
• McKinley Lake 4 ft · survey
• Summit Lake 10 ft · survey
• Thayer Lake 12 ft · survey
• Three Mile Lake 48 ft · survey
• Twelve Mile Creek Lake 40 ft · survey

More water across Iowa: Adair (5) · Black Hawk (5) · Cass (6) · Dickinson (10) · Polk (5) · Pottawattamie (5) — or all Iowa fishing maps.