皋 is a Chinese hanzi, listed here under the keyword “the high land along a river”. It is built from 白 (white) and 夲 (advance quickly). It appears as a component in 9 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “white” + “advance quickly”. 皋 is among the results, together with every other character containing the same shapes.
Open 皋 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.