What are the most important thing to take on a mountain?

* A map and compass. This is the most important item you can take with you, as it will help you navigate your way around the mountain and avoid getting lost.

* A flashlight. This is essential for seeing in the dark, especially if you are hiking or climbing at night.

* A first aid kit. This should include bandages, antiseptic wipes, pain relievers, and other basic medical supplies.

* A knife. This can be used for a variety of purposes, such as cutting food, opening cans, and defending yourself.

* A fire starter. This can be used to start a fire for warmth or cooking.

* Food and water. Bring enough food and water to last you for the duration of your trip, plus a little extra in case of emergencies.

* Appropriate clothing and footwear. Wear clothing that is appropriate for the weather conditions and terrain, and make sure your footwear is comfortable and provides good support.

* A backpack to carry your gear. Make sure your backpack is comfortable to wear and is large enough to hold all of your gear.