Hi Vaibhav, You can take a number of trips from Panvel. Listing below some places that you are sure to love.
1. Lonavala (93 km) if you haven't been there already
2. Raigad Fort (103 km) is ideal for a one day getaway. It is perfect for trekking. 3. Karjat (64 km) is perfect if you like adventure sports. Try hiking, river rafting, and mountain climbing.
4. Kolad (121 km) for white-water rafting.
5. Alibaug Beach (95 km) for a day in the sun
6. Malshej Ghat ( 126 km) where you can trek, enjoy the views and witness a number of waterfalls.
7. Kamshet (101 km) is fantastic for a leisurely drive.
8. Silvassa (167 km) for its beautiful Portuguese architecture
9. Pawna Lake (107 km) for parasailing and camping 10. Harishchandragad (200 km) for waterfalls, valley views and an escape into nature! Hope this helps!