Bir-Oaks is located in the elegant Northwoods of Wisconsin, making it a truly unique outdoor experience for everyone. Big Sand Lake is a crystal clear, spring-fed lake, great for all types of fish. In this beautiful lake, you can find small or large mouth bass, rock bass, northern pike, walleye, and much more! We know you will have a pleasant experience at Bir-Oaks Resort. Most of our clientele are families that vacation at Bir-Oaks every year, and you could become a regular as well! Call or email today for more information.