YOU SAID:

We reached the top of the mountain

INTO JAPANESE

山の頂上に着きました

BACK INTO ENGLISH

I reached the top of the mountain

INTO JAPANESE

山頂に着きました

BACK INTO ENGLISH

I reached the summit

INTO JAPANESE

頂上に着きました

BACK INTO ENGLISH

reached the top

INTO JAPANESE

頂点に達した

BACK INTO ENGLISH

reached the top