Mousehole Days returns Aug. 7-9. Mousehole Days returns Aug. 7-9. Mousehole Days returns August 7-9 with live music, food, kids' activities, its famous Monkey Shine Parade, and more. The other half of the money goes back into Mousehole Days funding. Food trucks for Mousehole Days will include: Big Acai, King Snowee Shaved Ice, Saddle Up Drink Co., Sugar Box Treats, Clare's Tenderloins, The Eggroll Ladies, Lucky Wife Wine Slushies and The Gyro Spot Iowa.