Happy National Blueberry Day! 💙 Blueberries are a nutritious and convenient snack to pack for your hike or a picnic, perfect for summer adventures. You may even be able to pick them right off the trail! #NationalBlueberryDay #Blueberries #USForest #Hiking #Picnic #PicnicSnack #USForestService #ThimbleLake 📸: U.S.ForestService - Alaska Images: Collecting Blueberries near Thimble Lake