ðə ɹˈæzlɑːɡ vˈæli ɪz ɐbˈʌndənt ɪn wˈɔːɾɚ ɹᵻsˈoːɹsᵻz, ɪŋklˈuːdɪŋ mˈɛni tɹˈɪbjuːtˌɛɹiz ʌvðə mˈɛstɚ ɹˈɪvɚ, æz wˈɛl æz hˈɑːt spɹˈɪŋz ɪnðə vˈɪlɪdʒᵻz ʌv bˈænjə, bɑːkˈiːvoʊ ænd ᵻlˈɛʃnɪtsə ænd ðə ɹˈæʒdævɪts ænd kˌæɾɚɹˈiːnoʊ ˈɛɹiəz, wɪððə tˈɛmpɹɪtʃɚɹ ʌv sˌʌm ʌvðə spɹˈɪŋz ɹˈiːtʃɪŋ sˈɪksti dᵻɡɹˈiːz sˈiː ænd ðə dɪstʃˈɑːɹdʒ sˈɛvənti dˈæʃ ˈeɪɾi lˈiːɾɚz pɜː sˈɛkənd.
The Razlog Valley is abundant in water resources, including many tributaries of the Mesta River, as well as hot springs in the villages of Banya, Bachevo and Eleshnitsa and the Razhdavets and Katarino areas, with the temperature of some of the springs reaching 60 °C and the discharge 70-80 litres per second.