
Waterfall
Monkey Falls
Natural waterfall on the ghat road up to Valparai.
5.6 km away (straight line)

Reservoir at the foot of the Anaimalai hills
Reservoir and park at the foot of the Anamalai hills.
Built between 1959 and 1969, the Aliyar reservoir is ringed by mountains on about three sides, about 65 km from Coimbatore.
Sources: Wikipedia: Aliyar Reservoir · Photo: K.Mohan Raj, CC BY-SA 3.0
Timings and access change, so check with the place before you go.