Glendalough State Park
Glendalough State Park is a state park in Otter Tail County. It was established in 1992. 8 graded lakes are within 15 miles of the park, including Blanche Lake, West Battle Lake, Otter Tail Lake.
Glendalough State Park is a Minnesota State Park covering an unrecorded acreage acres. State parks are the most heavily-developed of the public-land designations — campground, picnic, boat-launch, interpretive-center. The park is paired with 8 graded lakes nearby — enough for a multi-lake visit. Average grade among them: A.
For visitors planning around water quality, the nearby-lakes list below is the practical tool: a park is only as good as the lake you intend to use it from, and the LakeGrade for that lake gives you the water-clarity, nutrient, and algal-pressure context you need.
Official Resources
Nearby Graded Lakes (within 15 mi)
Lakes closest to Glendalough State Park, weighted by size. Click a lake for its full water quality grade, fish species, and depth.
| Lake | County | Grade | Surface Area | Distance |
|---|---|---|---|---|
| Blanche Lake | Otter Tail | A | 1,296 acres | 1.2 mi |
| West Battle Lake | Otter Tail | A | 5,615 acres | 2.7 mi |
| Otter Tail Lake | Otter Tail | A | 14,079 acres | 4.2 mi |
| Mason Lake | Otter Tail | C | 5,615 acres | 3.9 mi |
| Ethel Lake | Otter Tail | B | 191 acres | 2.6 mi |
| Silver Lake | Otter Tail | A | 529 acres | 3.3 mi |
| Clitherall Lake | Otter Tail | A | 2,540 acres | 4.9 mi |
| First Silver Lake | Otter Tail | A | 529 acres | 3.9 mi |
Other Parks in the Area
- Inspiration Peak State Wayside Park— State Wayside, 14.2 mi
- Maplewood State Park— State Park, 19.3 mi
- Lake Carlos State Park— State Park, 28.1 mi
Where to stay near Glendalough State Park
Compare cabins, hotels, and vacation rentals near Glendalough State Park — find a place to stay close to the park and its nearby lakes.
Top-rated places to stay near Glendalough State Park
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Source: EPA National Aquatic Resource Surveys, 2026.