Wisconsin / Mississippi River /
Mertes' Slough Boat Launch
Boat ramp · on Mississippi River · near Bluff Siding · Wisconsin
Zebra mussels (latest report 2005) reported in Mississippi River 910 m from this launch (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
USGS Nonindigenous Aquatic Species database · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Ramp surface
- Concrete
- Wheelchair access
- Yes
- Managed by
- Upper Mississippi River National Wildlife And Fish Refuge
- Coordinates
- 44.06552, -91.63698
Conditions
- Weather forecast for this launch · National Weather Service
On the river
River mile 726.3 on Mississippi River · U.S. Army Corps of Engineers Navigation Mile Markers, placed between its mile markers
Sources: U.S. Army Corps of Engineers Navigation Mile Markers.
On Mississippi River
River in Wisconsin. All launches on Mississippi River.
Community
Where people who use Mississippi River talk about it.
Nearby launches
- Mississippi River, Winona Municipal Harbor Public Water Access Site · 0.4 mi · Mississippi River
- Winona Harbor · 0.4 mi
- Mississippi River, Latsch Isand Park Public Water Access Site · 0.5 mi · Mississippi River
- Mississippi River Carry-in Access · 0.5 mi · Mississippi River
- Mississippi River, Levee Park Public Water Access Site · 0.7 mi · Mississippi River
- Minnesota Marine Art Museum · 1.0 mi · Yeomans Pond
Sources
- US Fish and Wildlife Service facility property (boat launches) record 14eb7976-f776-4253-b978-a4ac11cf7874 · US federal government data, public domain (FWS no-liability disclaimer)
- Wisconsin DNR Public Boat Access Sites record 910 · Public data (Wisconsin DNR open data), DNR disclaimer; no use limitations stated
- OpenStreetMap n7543057856 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by US Fish and Wildlife Service facility property (boat launches) and Wisconsin DNR Public Boat Access Sites. Something wrong, or is this launch private? Send a correction; it goes to a person.