The Mysterious Cities of Gold - Season 1 - Eps 11: Messengers of the Region
Gomez captures the children and forces Zia to reveal the secret of the Golden Quipu. It is an Inca message which reveals that the Cities of Gold lie beyond the High Mountain Peak. In the night, Esteban and the children escape. They find a secret underground passage and set off for the High Peak.
About The Mysterious Cities of Gold

Title: The Mysterious Cities of Gold
First Air Date: 1982-06-29
Last Air Date: 2021-01-29
Status: Ended
Rating: 7.7/10 (from 72 votes)
Language: JA
Seasons: 5
Total Episodes: 117
Network: NHK G
Genres: Kids, Animation, Action & Adventure, Sci-Fi & Fantasy
Production Companies: Pierrot, DIC, NHK
Synopsis
The adventures of a young Spanish boy named Esteban who joins a voyage to the New World in search of the lost Cities of Gold and his father.
Cast

Rei Sakuma
Zia (voice)

Masako Nozawa
Esteban (voice)

Isao Sasaki
Mendoza (voice)

Junko Hori
Tao (voice)