Nachi Falls
Nachinotaki
proper noun
What wisdom waterfall is Nachi Falls, one of the most famous (and wisest) waterfalls in Japan.
なちのたき
You learned all three of these readings with the kanji, so you should be able to read this on your own.
日曜日は、熊野古道を歩いて、那智の滝を見に行く予定です。
On Sunday, we plan to walk the Kumano Kodō and see Nachi Falls.
これは、この間行った那智の滝で一番よくとれた写真です。
This is the best photo I could get of Nachi Falls, which I went to the other day.
那智の滝は、国の名勝に指定されています。
Nachi Falls has been designated a national beauty spot.