You’ll get hungry on the trail, so of course you should bring some grub. Energy snacks like Clif Bars are fine, but so is trail mix, or even a couple of Snickers bars. For long jaunts, pack yourself a filling lunch. A sandwich is good, but there are other options too: Bring a block of cheese, a bag of pepperoni, and crackers or pita bread for an on-the-go, and tasty, solution. If you have a little extra food left when you get back, you’ve brought the right amount.