Move oven rack to middle position. Preheat oven to 350°F.
In a large mixing bowl, combine cake mix and water. Beat on low speed of an electric mixer for 30 seconds.Scrape down side of bowl; beat on medium speed for one minute. Pour batter into two ungreased 9-x-5-x-3-inch loaf pans.
Bake in preheated oven for 28 to 32 minutes. Remove and place loaf pans upside down on a wire rack. Cool completely.
Carefully stir almond extract into thawed whipped topping. Refrigerate until ready to use.
In a medium bowl, stir together strawberries, blueberries, and hazelnut liqueur. Let stand at room temperature for 30 minutes to one hour.
To serve, cut each cake into eight slices. Place one cake slice on each of eight dessert plates. Top each with two tablespoons fruit mixture and one tablespoon of whipped topping mixture. Add a second cake slice to each plate.Top each with two additional tablespoons of fruit mixture and one tablespoon whipped topping mixture. Sprinkle each serving with almonds.
**Note: For a lighter dessert, serve only one slice of cake topped by two tablespoons of the fruit mixture, one tablespoon whipped topping, and some of the almonds.