Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: Erhai yana da tsayin mita 1,972 (6,470 ft) sama da matakin teku. A cikin girman, tsawon Arewa zuwa Kudu na tafkin ya kai kilomita 40 (25 mi) kuma faɗin Gabas zuwa Yamma ya kai kilomita 7<unk>8 (4.3<unk>5.0 mi). Yankinsa yana da murabba'in kilomita 250 (97 sq mi), yana mai da shi tafki na biyu mafi girma a ƙasar Sin, bayan Tafkin Dianchi. Kewayonsa ya kai kilomita 116, matsakaicin zurfinsa ya kai mita 11 kuma jimlar damar adanawa ta mita biliyan 2.5 (acre ⋅ ft).  Tambaya: Menene girman tafkin Erhai?
Tsayin Arewa zuwa Kudu na tafkin ya kai kilomita 40 (25 mi) kuma faɗin Gabas zuwa Yamma ya kai kilomita 7<unk>8 (4.3<unk>5.0 mi).