Monsoon is the best time to visit Pune. The city is known for its beautiful gardens and lakes. You can visit these places in the monsoon. The best places to visit in Pune in the monsoon are Pune Palace, Pataleshwar Caves, and Shaniwar Wada.
Lonavala malshej
mahabaleshwar
bhandardara
there are several treks during monsoon nearby pune and mumbai like visapur fort, devkund, bhimashankar etc. during weekends. can explore any easy moderate trek