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LakeQuality
Intermediate
From Ely

Mudro to the Horse River Loop

3–5days on the water

Intermediate
Difficulty
3–5 days
Typical length
~20 miles
Distance
5
Lakes paddled

A quieter western loop through the Fourtown–Horse chain. More portages and marshy stretches than the Ely corridor, but far fewer people and excellent fishing.

Reviewed by LakeQuality Editorial Team · Updated

The route

Lakes on the route are colored by water-quality grade; the entry point is ringed in dark. Toggle the portage layer to see the carries.

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The water you'll paddle

#LakeCountyGradeClarity
1Mudro LakeSt. LouisD4.3 ft
2Fourtown LakeLakeC7 ft
3Horse LakeLakeC7 ft
4Tin Can Mike LakeLakeB11 ft
5Sandpit LakeLakeB14 ft

Every Boundary Waters lake is under Minnesota's statewide mercury advisory — see eating your catch.

Notable portages near this route

PortageRodsMiles
Range River Winter Trail1250.39

Named portages within ~3 km of the route. Source: OpenStreetMap contributors. Carry a detailed paddling map for the full portage sequence.

Where to stay for the Mudro to the Horse River Loop

Base your trip in Ely — outfitters, cabins, and lodging near the Mudro Lake.

Top-rated places to stay near Ely

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Frequently Asked Questions

It's rated intermediate and typically takes 3–5 days covering roughly ~20 miles. A quieter western loop through the Fourtown–Horse chain. More portages and marshy stretches than the Ely corridor, but far fewer people and excellent fishing.

At Entry Point 23 (Mudro Lake), which releases 5 permits per day. Reserve it through Recreation.gov during the May–September quota season.

The lakes on this route — Mudro Lake, Fourtown Lake, Horse Lake, Tin Can Mike Lake, Sandpit Lake — carry our A–F water-quality grades, shown below. Remember that every Boundary Waters lake is under Minnesota's statewide mercury fish-consumption advisory regardless of clarity.