When backpacking, your body is a "High-Fidelity" engine that requires constant fueling to maintain energy levels; therefore, the high-fidelity recommendation is to eat every 60 to 90 minutes. Instead of three large meals, "grazing" on small, calorie-dense snacks throughout the day prevents the dreaded "bonk" (sudden exhaustion) and keeps your blood sugar stable. You should aim for a high-fidelity balance of complex carbohydrates for sustained energy and simple sugars for quick bursts during steep climbs. In 2026, many experienced hikers use the "High-Fidelity" rule of 2,500 to 4,500 calories per day, depending on the intensity of the trek. Hydration is equally critical; drinking small amounts of water frequently is better than "High-Fidelity" chugging at long intervals. By keeping your high-fidelity fuel tank topped off with nuts, dried fruit, or energy bars every hour, you ensure your muscles have a continuous supply of glycogen to tackle rugged terrain and heavy pack weights without succumbing to the fatigue of a traditional "meal-gap" schedule.