Snow that has been on the ground for a considerable period, often compacted and sometimes dirty.

पुरानी बर्फ

English Usage: The old snow on the mountain was hard and icy, making it difficult to hike.

Hindi Usage: पहाड़ पर पुरानी बर्फ कठिन और बर्फीली थी, जिससे चढ़ाई करना मुश्किल हो गया।