3-week japan trip itinerary: tips, advise, recommendations?

Hey all,

i’m a 30 year old female and travelling to Japan in September for the first time. I have the following itinerary. It’s still a rough draft, however, I’m a bit unsure if I might be overpacking or leaving too much travel time in between – particularly around the Kyoto and Osaka area. I’ll be train-hopping all the way and making use of luggage storage as I explore. I’ don’t want to rush and want to make sure I check out the most iconic spots while also exploring some off the beaten path places. Any advice, tips, or recommendations you’ve got would be super appreciated. Thanks a bunch!

EDIT: I tried to figure out if getting a JR Pass would be a good idea using that daisuki.com calculator. But it wouldn’t let me include all of my planned destinations, like Lake Biwa (Otsu) and Mount Koya. Do you think it’s worth getting a JR Pass for the itinerary below?

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* **21.09:** Arrival in Tokyo Haneda

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* **21.-27.09:** Explore Tokyo City

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* **28.09.-29.09:** NikkoRecommendation: Staying in Nikko for 1 or 2 nights?

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* **29.09.-30.09:** KawaguchikoRecommendation: Staying in Kawaguchiko for 1 or 2 nights?

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* **01.-05.10:** Kyoto, including side trips to Nara, Lake Biwa, Amanohashidate
* Any day trip recommendations from Kyoto?

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* **06.-09.10:** Osaka, including side trips to Mount Koya
* Any day trip recommendations from Osaka?

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* **10.-12.10:** Kanazawa incl. day trip to Shirakawago

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* **13.10:** Head back to Tokyo (side trip to Enoshima)

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* **17.10:** Departure from Tokyo