Written by Mika Tanimoto, Owner-Bartender, Bar Little Happiness — Hiroshima’s specialist whisky & rum bar with 1,000+ bottles
Mizunara oak — Japanese oak, Quercus mongolica — is one of the most demanding and rewarding cask materials in whisky. It is harder to work with than American or European oak, porous enough to be problematic when new, and slow to deliver its particular character: the incense-like, sandalwood and oriental spice notes that have made mizunara-matured whisky a premium category in Japanese whisky.
Kameda Distillery’s Mizunara Expression, named Hyakusei Fuma (百世不磨 — meaning something that endures across a hundred generations), represents the distillery’s exploration of what their already-distinctive spirit does inside Japanese oak.
What Mizunara Does
Mizunara wood is native to Japan, Korea, and parts of northeastern China. It became central to Japanese whisky partly by necessity — during and after World War II, when imported American oak was unavailable — and partly by discovery: the wood imparts a character that American or European oak simply cannot produce. The sandalwood, incense, and distinctive “Japanesy” spice quality that serious collectors seek in aged Japanese whisky comes significantly from mizunara contact.
The difficulty is that mizunara casks are porous and require years of treatment before they seal properly. Young mizunara casks can leak, and the spirit they hold can develop unwanted woody bitterness if the timing is wrong. Only with experience — and patience — does mizunara maturation produce its best results.
At Kameda, where the founder’s approach to every production decision begins with hypothesis and controlled experiment, the mizunara programme represents the same methodology applied to cask selection: careful, patient, willing to wait for the evidence.
The Hyakusei Fuma expression is available at Bar Little Happiness. Read the full Japanese column: little-happiness.jp/columns/kemda-mizunara/
Bar Little Happiness | Hiroshima, Japan
Rum & Whisky specialists | 1,000+ bottles | English menu available
Open Mon–Sat 7PM–12:30AM, Sun 7PM–midnight
No cover charge. Walk-ins welcome.
english.little-happiness.jp