⚠️ Veterinary & Health Disclaimer: This checklist builder and its calculated water/food targets are for educational and planning purposes only. Hydration and nutritional needs depend on breed metabolic factors, coat density, cardio conditioning, humidity, and elevation. Monitor your dog closely for signs of dehydration (thick saliva, dry nose, heavy panting) or exhaustion. Consult your veterinarian for tailored advice on multi-day backcountry nutrition.