Bushmills has been in operation since the year 1608. The distillery just released a 46-year-old whiskey—the oldest Irish single malt whiskey ever.

Bushmills filled two oloroso sherry casks with whiskey that would quietly mature for nearly half a century. Now, that liquid has been bottled as the longest-aged Irish single malt in history. Here are all the details.

Bushmills unveiled just 300 bottles of what is says is the oldest single malt Irish whiskey ever released — a 46-year age bottling dubbed the "Secrets Of The River Bush." The expression is the latest in a streak of ultra-aged releases from the brand,

Bushmills Irish Whiskey has unveiled the oldest Irish single malt ever released: Bushmills 46 Year Old ‘Secrets of the River Bush’. Meticulously cared for by two generations of whiskey makers, 46 Year Old ‘Secrets of the River Bush’ infuses the legacy of decades and time-honoured secrets in every sip.