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Mississippi River, Halfmoon Landing Public Water Access Site

U.S. Lock & Dam #5 Pool · Alma, Wabasha County

Mississippi River, Halfmoon Landing Public Water Access Site is a trailer boat ramp on U.S. Lock & Dam #5 Pool in Alma, Minnesota, with 12 trailer parking spaces and restrooms. It is managed by U.S. Fish and Wildlife Service.

Launch
Trailer launch
Lanes
1
Trailer parking
12 spaces
Car parking
8 spaces
Restroom
Yes
Dock
No
Lake size
5,650 acres
Nearest town
20 mi from Winona

Managed by U.S. Fish and Wildlife Service

Directions: 5 miles southeast of Kellogg, off County Road 84, on Half-Moon Lake.

Directions

Today

Near this ramp

Gas

Campgrounds

Marinas

Places © OpenStreetMap contributors. Call ahead for hours.

Fish in U.S. Lock & Dam #5 Pool

Also recorded:

Minnesota state records for these fish
FishRecordYearCaught in
Common Carp55 lb 5 oz1952Clearwater Lake
Northern Pike45 lb 12 oz1929Basswood Lake
Walleye17 lb 8 oz1979Seagull River at Saganaga Lake
Smallmouth Bass8 lb1948West Battle Lake
Black Crappie5 lb1940Vermillion River
White Bass4 lb 8 oz2016Vadnais Lake
White Crappie3 lb 15 oz2002Lake Constance
Bluegill2 lb 13 oz1948Alice Lake
Pumpkinseed1 lb 5 oz1999Leech Lake
Green Sunfish1 lb 4 oz2005North Arbor Lake

From official Minnesota record lists: source source

Species recorded here since 1990 (GBIF). Check state regulations for seasons and limits.

Before you launch in Minnesota

🧼 Boaters must allow inspection at staffed accesses, and inspectors can require decontamination before launch.

Minnesota boating laws: education, age limits and life jackets

Links go to official Minnesota agency pages.

All 5 ramps on U.S. Lock & Dam #5 Pool · All ramps in Wabasha County

New to launching? Read how to launch a boat and ramp etiquette.

Nearby boat ramps

Page updated Oct 27, 2026. Ramp details from the Minnesota Department of Natural Resources.