Shop › Whatcom County Mountains 2026 Calendar Image 1 of 2 Image 2 of 2 Whatcom County Mountains 2026 Calendar from $20.00 Mt. Baker and the Twin Sisters provide a bold and beautiful backdrop to the idyllic scenery of Whatcom County. Quantity: Select Quantity Pack of One Pack of Two Pack of Three Pack of Four Pack of Five Pack of Six Pack of Seven Pack of Eight Pack of Nine Pack of Ten Quantity: Add To Cart Added! Mt. Baker and the Twin Sisters provide a bold and beautiful backdrop to the idyllic scenery of Whatcom County.