Nagoya - Takayama - Tateyama Alpine Route - Kawaguchiko - Nagoya

Hello. We are 3 adults visiting Japan from April 25-May 5, 2025. Itinerary is as follows:
April 25 - 27 -- Nagoya
April 27 - 29 -- Takayama
April 29 - 30 -- Tateyama Alpine Route
April 30 - May 3 -- Kawaguchiko
May 3 - 5 -- Nagoya

Would appreciate recommendation on transportation and tourist pass to avail.

Thank you.