“Summit / Peak” in Japanese is 峰, read hou, mine, ne (ほう, みね, ね). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 最高峰 (highest peak).
What does 峰 mean?
Same sound, different character — the classic trap. Compare them side by side: