Demontreville and Olson Lakes


These lakes are located in the City of Lake Elmo, just south of Highway 36 and east of I-694. 

Species Present:

Northern Pike: average abundance, average size.
Largemouth Bass: high abundance, large size fish present. This is a great bass fishing area.
Bluegill: very abundant but small sized fish.
Crappie average abundance, average size, but some large individuals present.
Bullhead species: average abundance, larger than average size.
Yellow Perch: average abundance, small size.


Boat Access:

The DNR owned access is located on the northwest shore of Demontreville. Olson lake is accessed by a navigable channel from Demontreville Lake. Travel east of I-694 on highway 36 a little more than 1 mile. Turn right (south) on Highlands Trail to the lake Follow lakeshore around to the right (west) to the access. These lakes have surface water use restrictions. See rules posted at the access. 

Shore Fishing:

Shore fishing is limited to the road shoulder along the west shore of Demontreville from the boat access south. Fishing may be limited by overhanging trees or aquatic vegetation some parts of the year. 

Special Regulation:

Largemouth Bass fishing is limited to catch-and-release only. All Largemouth Bass caught must be immediately returned to the water. 

Management Plans:

  1. Fisheries standard lake survey in 2023. 

Aquatic Invasive Species Alert:

This lake contains Eurasian watermilfoil. Remove any visible plants from your boat, trailer, or other boating equipment before leaving the lake. 


Demontreville and Olson are some of the best bass fishing lakes in the East Metro area. The restrictive regulation has resulted in a population of very large bass. Bluegill bite well in this lake, but tend to be on the small side. Large crappie can be found in some years as well.

Ice fishing on these lakes for Northern Pike can be very productive in some years.

More information about Demontreville Lake

More information about Olson Lake

Back to top