Idalgashinna (Sinhala: ඉදල්ගස්හින්න, Tamil: இதல்கஸ்ஹின்ன) is a small village in the Badulla District, Uva Province, Sri Lanka. Situated at an elevation of about 1,615 metres (5,299 ft) above sea level, it is located in the Haputale-Namunukula mountain range.The area is home to the Idalgashinna Estate, with the closest large town being Haputale, about 9km south on the railway.Between the two locales lies the Thangamale Bird Sanctuary.Education in the area comes under the purview of the Welimada Divisional Secretariat, which administers the Idalgashinna Tamil Vidyalaya (Idalgashinna Tamil College), Beauvais Tamil Vidyalaya and the Ellethota Vidyalaya.
Idalgashinna was established as a tea estate in 1984, although the area had seen isolated periods of settlement prior to this.The Idalgashinna Pass is a prominent geological feature in the area; Idalgashinna was regarded as a key entrance to the upland country, with the Portuguese attempting to use the pass in their wars against the Kingdom of Kandy in the 16th century.

Idalgashinna Railway Station

Idalgashinna Railway Station is the 68th station on the Main Line, located between Haputale and Ohiya railway stations in Badulla District, Uva Province. It is located 8 km (5.0 mi) west of Haputale, at an elevation of 1,615 metres (5,299 ft) above sea level. The station was built after the track was extended in 1893, from the Nanu Oya railway station to Haputale.

The 5 ft 6 in (1,676 mm) broad gauge main line between Haputale and Idalgashinna is regarded to have a notably scenic view due to the land falling away steeply both sides. The view on the northern side of the station extends beyond Boralanda and Welimada up to Udupussellawa and Hakgala, with the southern side encompassing Beragala down to the coast at Hambantota and the Udawalawa reservoir clearly visible.

It is serviced by the express trains such as Podi Menike, Udarata Menike and Night mail train, as well as all local trains running on the main line.

There are 14 tunnels between the Ohiya and Idalgashinna railway stations.