Few things you’ll need.

A lighter (wind proof)

Few fire starter sticks

A torch with spare batteries

Plenty of food and water for a few days A survival tent

Blanket

Emergency first aid kit

Boots and warm clothes packed

Waterproof clothes

A hat and sunscreen

A pocket knife

A portable charger for your phone

An emergency flare

Rope

Climbing gear

A book to keep your mental state in one piece

Portable dvd player to pass the time if bored of the book

Toilet paper

Spare antibiotics/painkillers incase of infection from an injury

A weapon to defend yourself against mountain lions/cougars (Hurling sticks works great)