Luggage and bags:
Nothing special about that.
Clothing/Shoes/Weather Gear: Just get goood warm cloths and a shoe pair with good grip to hold tightly.
Toiletries and Medical Supplies: Just few 1st add things.
Photo Equipment: Movie Camera, and Still Camera.
Camping/Beach/Outdoor Gear: if you are willing to set a camp near any of the lake then do bring a camp with you and all things to be cooked and to eat.