3. Maximum party size is 8. Two parties affiliated with the same group may not stay in the same campsite or at the same shelter on the same night(s). Special permits may be issued for a few sites that accommodate parties of up to 12. 3. Horses, mules, burros and llamas are considered to be pack animals under park regulations. Any other animals are not considered to be pack animals and are not allowed in the backcountry. 4. Fires are only allowed at designated campsites and shelters and must be contained in a fire ring. Constructing new fire rings is prohibited. You may only burn wood that is dead and already on the ground. You may not cut any standing wood. 4. Maximum stock per party is one animal per person, plus one pack animal, not to exceed 10 animals in any one party or the maximum number of stock allowed a site or the available number of stock spaces at any site.