SH 17 starts north from
NH 49 (
Aluva - Munnar Highway) at Munnar, running about 2 km alongside the Kannimala River, then to Rajamudi village - Anakkalpetty road and on to Eravikulam village. It passes near
Eravikulam National Park and
Anamudi, the tallest Indian peak south of the Himalayas and into
Marayoor town, (km 42). It then passes through the centre of
Chinnar Wildlife Sanctuary, past
Chinnar Watchtower and continues to Chinnar Check post, (km 59). It crosses the state boundary on a highway bridge over the
Chinnar River at . It enters
Indira Gandhi Wildlife Sanctuary and National Park at Tamil Nadu check post and continues past Manjampatti Watchtower along the bottom of
Manjampatti Valley. It passes through the park around
Amaravathi Reservoir and
Amaravathi Dam to exit the park at the Forest Department checkpost (km 71) near
Amaravathinagar and the
Sainik School, Amaravathinagar. It goes down onto the
plains through Manupatti (km 75), Kurichkotti, through a large area of
wind turbines, Pallapalyam, extensive agricultural fields, Bodipatti, across
Southern Railway -
Salem Division tracks in
Kanakkampalayam, and on to
NH 209 at Udumalpet (km 85) in
Tamil Nadu,
South India. ==Gallery==