岸 is a Chinese hanzi, listed here under the keyword “bank”. It is built from 山 (mountain) and 厈 (厈). It appears as a component in 4 other characters in this index.
On KumiJi Glyph Explorer, open the parts search and type “mountain” + “厈”. 岸 is among the results, together with every other character containing the same shapes.
Open 岸 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.