Tremolo Lake

Making Connections

  • Bushwhack Northwest, 95 rods, to Hudson


  • Fisher F-4, One, Two, Three, Four, Bald Eagle, Insula Lakes
  • McKenzie 19, Isabella Lake


  • DNR Lake No. 380466
  • Lake Map No. C1789
  • Lake Table No. 6B
  • MDH Fish Consumption Advisory - N/A
  • MPCA Water Quality - N/A
Tremolo Lake
Scale 1:21420
Full image approximately 2 miles square


Tremolo is a small, remote lake, in the Insula basin of the Kawishiwi River drainage, 23½ miles east of Ely, and 6½ miles NNW of Forest Center. Just a third mile long on its NW/SE axis, Tremolo covers 25 acres with a maximum depth of 19'. The lake is situated between the lower reaches of Ahmoo Creek (just above Hudson) and the southwestern shore of Insula, in elevation only 3' above Insula and 13' above Hudson.

Tremolo is one of several lakes situated in the broad swath of land burned in the Insula Lake fire of 1864; its surrounding forests date back only to that time. The Independence Day windstorms of 1999 hit the area between Tremolo and Hudson, with the loss in standing trees estimated at between 34% and 67%.


Tremolo is not on any maintained canoe routes, and supports no established campsites.

Planning Considerations

Tremolo is off the beaten path, but not all that far off. A brush-bashing hike in from a campsite on Hudson or Insula might be just the thing to while away a BWCA afternoon. For the next several years, however, coming in from Insula probably makes the most sense. With something like half the trees blown down between Tremolo and Hudson, that particular approach could be more exciting than most travelers are up for. And if you do come in from the Insula side, try to come at Tremolo from the southeast, to stay clear of most of the damage. If you do get in to Tremolo send us a photo. We'll publish it here. (It's the only way most BWCA paddlers will ever get to see this lake.)


Tremolo supports populations of Northern Pike (Esox lucius) and White Sucker (Catostomus commersoni) - hardly worth the trouble for the angler.

Notes and Comments

Is this lake name a reference to the haunting call of the loon? Just could be....

Line of Spruce Trees

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Last updated on 11 April, 2004