Your vote on this answer has already been received
If you are planning to travel overnight say for 12 hrs then you can visit a place for a adventure filled experience!
Its Dandeli. where you have an option of White water rafting, Jungle trekking, Nature Camp Stays, and lots more. From Dandeli Goa is also closeby and another 3hrs you can be in Goa.
For more details log on to www.dandeli.blogspot.com