Jag Lake is a lake in Boulder Junction, Wisconsin.

How is Jag Lake rated?

Jag Lake in Boulder Junction, Wisconsin has an average visitor rating of 5 out of 5, based on 11 reviews.

What amenities does Jag Lake have?

Visitor-listed amenities at Jag Lake include camping-nearby.

Updated August 13, 2025

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Photo: Jag Mandir Palace from above, on Lake Pichola, Udaipur by Ashwin Kumar from Chennai, India (CC BY-SA 2.0) License

Jag Lake

Lake · Boulder Junction, Wisconsin

5.0(11 reviews)

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Great conditions todaycamping-nearby

Things to Do Near Jag Lake

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Guided Alpine Lake Float and Hike - Southern Bitterroot Mountains

★ 5.0(66)

from $169

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Weather at Jag Lake

H: 76° L: 45°

Overcast

75°

Feels like 68°

Precipitation

49%

Humidity

30%

Wind

10 mph

UV Index

Water Conditions:

🏊Perfect for swimming

12 AM

52°

3 AM

49°

6 AM

45°

9 AM

59°

12 PM

73°

3 PM

76°

6 PM

68°

9 PM

60°

Pack smarter for Jag Lake

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

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Inflatable PaddleboardA popular way to explore calm coves and shorelines.

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Life JacketImportant around boats, paddling, and deeper swimming areas.

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Floating CoolerKeeps drinks nearby for swim areas, docks, and boats.

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Waterproof Phone PouchProtects phones around docks, boats, and splashy shorelines.

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Frequently asked questions

Where is Jag Lake?: Jag Lake is a lake in Boulder Junction, Wisconsin.
Can you swim at Jag Lake?: There is no fixed answer for Jag Lake: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Jag Lake in Boulder Junction, Wisconsin. Check current water conditions before you go, and follow posted signs and local guidance.
How is Jag Lake rated?: Jag Lake in Boulder Junction, Wisconsin has an average visitor rating of 5 out of 5, based on 11 reviews.
What amenities does Jag Lake have?: Visitor-listed amenities at Jag Lake include camping-nearby.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

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Right Now

Perfect conditions right now!

🏞️ Lakes Tips:

›Check for boat launch facilities and fees
›Obtain required fishing licenses before arrival
›Be aware of lake-specific regulations and restrictions
›Monitor water quality reports before swimming

Best Seasons:

☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Boulder Junction, WI 54512

Boulder Junction, Wisconsin 54512

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