Hanaten Farm
Osaka, Japan · Operator: 大阪市建設局
Overview
Japan's first allotment built on top of a sewage-treatment plant, opened by Osaka City in 2005 — a pioneering reuse of unused public-infrastructure airspace for citizen growing.
Citizen participation
A citizen allotment by public application; residents rent plots to grow vegetables.
Operating model
Osaka City turned the space above a sewage facility into an allotment via fixed-term lease — effective use of infrastructure airspace.
Impact
Became a model for farming use of public-infrastructure airspace.
Land tenure
Airspace above a public sewage facility leased by the city as an allotment.
Crops
- vegetables
Scale
5,000 m² — 放出下水処理場の上部 約5,000㎡。全国初の下水道施設上部を利用した市民農園。
Sources（1）
This entry is compiled from the public sources, official sites and research below.
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