Trostian

{{Infobox mountain

| name = Trostian

| other_name = Тростян

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| elevation_m = 1232

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| map = Ukraine

| map_caption = Ukraine

| label_position = right

| listing = Country high point

| location = Lviv Oblast, Ukraine

| range = Skole Beskids

| coordinates = {{coord|48|51|24|N|23|23|31|E|type:mountain_region:UA_scale:100000|format=dms|display=inline,title}}

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Trostian ({{langx|uk|Тростя́н}}) – mountain peak in an array of the Skole Beskids (Eastern Beskids), peak spine Stryiska-Sanskoyi VerhovinyСтрийсько-Сянська Верховина{{in lang|uk}} and limited by valleys Opir River and Holovchanka River. Mountain Trostyan has a height of 1,232 metres (4,042 ft) and the steep (30-40 °) slopes at north-eastern. The top is flat.

Trostian Mountain is located at a distance {{convert|2|km|mi}} from the urban village Slavske, {{convert|132|km|mi}} from the regional center of Lviv and {{convert|29|km|mi}} from the district center Skole. The mountain has slopes for skiing in the east, north and west.