I'll try to give the routes and the places not be missed when you visit Mandya.
I'll start with a few places. Will keep on adding as I continue my research on Mandya.
Happy touring.
1. Mahadevpura
The river Cauvery (Kaveri) flows through a thick forest surrounding the place.
Brief Route From Mandya: Mandya – Kothathi – Kodiyala – Arakere - Mahadevapura.
a. Mandya - Kothathi (This place is around 7kms from Mandya. Take a deviation to the left towards Kothathi ) - Kodiyala (this place is 6kms from Kothathi) - Arakere and Mandya Koppalu circle - Take a right turn and head towards Mahadevapura.
b. From Mandya: Mandya - Baburayana Koppalu - Take left turn to reach Mahadevapura (13kms from Baburayana Koppalu)
Suggest you take route b.
2. Melukote
a. Cheluvanarayana Swamy Temple
b. Yoga-Narasimha Swamy Temple
Route From Mysore: Mysore – Srirangapatna – Pandavapura – Melukote.
Distance around 60 kms.
From Bangalore: Bangalore – Mandya. After Mandya take a deviation to the right. From Mandya, Melkote should be around 35 kms.
3. Srirangapatna
b. Daria Daulat Bagh: This is a Summer Palace . Also houses the museum.
c. Gumbaz : The mortal remains of Hyder ali, Tippu Sultan are placed here.
d. Ranganthithu Bird Sanctuary: Cross Srirangapatna, after 1-2 kms you will get a circle. Take a deviation to the right. Ranganthithu is around 5 - 6 kms from there.
e. Ghosai Ghat: Gosai Ghat, on the banks of the Cauvery, in Srirangapatna is located upstream of Sangama in Srirangapatna, where the two tributaries of the Cauvery meet
4. Shivanasamudra
Cauvery at Shivanasamudra falls has twin jumps, Gaganachukki and Bharachukki, one km away from each other. Shivasanamudram falls is the second biggest waterfall in India.
Route from Mysore :
Mysore -Bannur -Malavalli - Shivansamudra. (Around 70 kms)
Route from Bangalore :
There are two routes
Route 1 : Bangalore - Kanakpura - Malavalli - Shivansamudra. (Around 118 kms).
Route 2 : Bangalore - Maddur - Malavalli - Shivansamudra. (Around 125 kms)