In the chill of early spring when the Scottish Highlands awake from their winter slumber, we tap ancient Birch trees - some of which are over 200 years old - for their precious rising liquid.

We have found records of the use of birch sap in Scotland going back over 5,000 years. In historical times, Highlanders would use the spring sap from birch trees as a tonic after long, hard winters. There are over 100,000 hectares of native birchwood in Scotland, present since the last ice age.

Highland birches, which form part of the northern boreal forests, stretch from Canada, through Scotland and Scandinavia to Siberia.

Just standing in an ancient Highland birchwood that you know has been here since the last ice age, and feeling its presence and antiquity, is very powerful.

Rob works on finding the best birch trees. Although there are plenty of birch woodlands in Scotland, many of them are very remote or difficult to access. Gabrielle handles the financial and administration side of the business.

Together at BIRKENTREE they are in the business of adding without distracting, diluting or detracting from the main event………your cherished whisky.

To try it, is to understand it. Add birch water to your favourite whisky for a notably smooth and refined finish – it's simple, natural and yet exceptional. Slàinte…