South Fowl Lake is a remote lake located along the US-Canadian border in northeastern Minnesota. It serves as an entry point (#70) into the Boundary Waters Canoe Area Wilderness (BWCAW). Paddlers access the lake via the Arrowhead Trail, starting their journey on North Fowl Lake before entering South Fowl. The lake is relatively shallow, with a maximum depth of only 10 feet, making it an excellent habitat for walleye, northern pike, and perch.

The route to South Fowl Lake involves paddling through the Royal River system, which includes challenging portages and shallow waterways. Paddlers should be prepared for a 78-rod portage from Royal Lake to John Lake, followed by a steep 200-rod portage into East Pike Lake. The area is known for its stunning scenery, including towering 450-foot bluffs along Royal Lake.

Wildlife viewing opportunities abound in this wilderness setting. The surrounding landscape features a mix of forests and rocky shorelines typical of the BWCAW. Paddlers should be aware that portions of the route leading to South Fowl Lake allow motorized boats, particularly in areas outside the BWCAW boundaries.

A permit is required to enter the BWCAW via South Fowl Lake. The entry point has a daily quota of 2 permits for overnight paddle trips. Paddlers must follow Leave No Trace principles and adhere to all BWCAW regulations. This route is considered challenging and is best suited for experienced wilderness paddlers comfortable with remote travel and difficult portages.

For those seeking a longer adventure, South Fowl Lake can be incorporated into an extended Canadian Border Route trip, which follows historical Voyageur waterways. This option allows paddlers to explore additional lakes like Mountain Lake, known for its exceptional depth and towering cliffs.