

Better yet understand that none of your gear makes heat, you do. Think of your sleeping bag and clothes as batteries that need to be recharged periodically and your body is a generator. When you shiver that is your body trying to burn calories to produce heat. You can stay much warmer by keeping busy and moving around than you will by standing around a fire. When you wake up cold in the middle of the night, move your legs like you’re riding a bicycle while laying on your side. It won’t take long to warm up. Also keep an isolating layer between you and the ground like a foam sleeping pad. It also works for when standing on frozen ground.
And if you want to fish for trout, research the waters you intend to fish. I booked a cabin for a long fall weekend only to find out the creeks weren’t going to be stocked until the following weekend. Trout don’t survive the warm summers there and there’s no natural reproduction