The official website of the animated television adaptation of the manga Yama no Susume de Shiro has shown a promotional video of its third season in which we can hear the opening, "Chiheisen Stride", played by the four girls protagonists. The series will premiere on July 3 at 1:40 in Tokyo MX and other Japanese networks. Remember that it will have 13 episodes of 15 minutes.

In this link you can see the trailer.

https://www.youtube.com/watch?time_continue=2&v=N0IR7vF49iE

The cast will return from the first two seasons of the television series:

.- Yuka Iguchi as Aoi Yukimura

• Kana Asumi as Hinata Karaue
• Yoko Hikasa as Kaede Saito
• Yui Ogura as Kokona Aoba

The team also returns from previous installments, with Yusuke Yamamoto as director under the 8-Bit studio, Yuusuke Matsuo as character designer and animation director and Kazuyuki Fudeyasu as a screenwriter. Tom-H @ ck and yamazo will compose the music.

The four main voices (Yuka Iguchi, Kana Asumi, Yoko Hikasa, Yui Ogura) will be in charge of interpreting the opening with the song "Chiheisen Stride", while Iguchi and Asumi will be in charge of the ending with "Irochigai no Tsubasa". The singles of both songs will be released on July 27.

The history of the franchise is led by two childhood friends who promised to see the sunrise again from the top of a mountain they saw as girls. Aoi prefers to stay at home and is afraid of heights, but Hinata is a great lover of the mountains. Together they will hike and climb mountains.
The manga was launched in the pages of the Earth Star Entertainment Comic Earth Star in 2011 and currently has 15 compilation volumes.

The first season of the anime premiered in January 2013 with 12 episodes of five minutes, while the second season premiered in July 2014 and featured 24 episodes of 15 minutes long.