You can visit some of the places listed below:
1. Vashishta Cave 2. Ganga Arti 3. Laxman Jhula
4. Ram Jhula 5. Shivpuri 6. Byasi 7. Beatles Ashram
8. Neelkhanth Mahadev Temple
The Beatles Ashram
Shiv Puri
Triveni Ghat
neel grah water fall
caves(Vasisth, jil mil etc)
rishikesh to byasi ride
budhha cafe
water &adventure sports.
1. Rafting- Kaudiyala (Even Shivpuri or Brahmapuri can be considered as an option)
2. Laxman Jhula
3. Beatles Ashram
4. Neelkanth Mahadev temple
5. Triveni Ghat
6. Ganga Aarti at Parmarth Niketan
7. Neergarh Waterfall
8. Bungee jumping
9. Flying Fox
10. Ram Jhula
11. Muni ki Reti
12. Byasi (For adventurous activities)
13. Swargashram
For basics you can check ram jhula, janki jhula, laxman jhula market, Beatles ashram also known as 84 kutiya which is close to janki jhula. Neer waterfall and patana waterfall some cafe hopping. rafting, camping, kunjapuri temple.