Tell Someone Your Route
Once you've planned your route in some detail, you should leave a copy of the route card
with someone. This 'someone' is your Emergency Point of Contact (EPOC
As a minimum, if you don't have a formal route card, make a note of from where you'll start walking, the approximate route including direction, and estimated time of return. Maybe even send a text before you start walking (although be aware of poor mobile signal in the mountains). Whilst a text is not ideal, it's better than nothing, and any of this type of information is invaluable in an emergency situation.
As well as telling someone your route, you need to ensure that they know what to do if you don't contact them by a certain time.
Detailed information is covered under the emergency procedures section