Visiting Probolinggo at this time supposing fringe to return the journey of Hayam Wuruk more than 500 years ago. It Is Said, according to folklore, not long after Mahapatih Gadjah Mada from Majapahit Emperor succeeding to unite region Nusantara in 1357 Masehi, King Hayam Wuruk is the first person becoming witness for natural beauty of Probolinggo. Cause fascinated by beauty over there, Hayam Wuruk have time to prolonging on that place.
Then that place conceived of by linggih, and change the name become Probolinggo. And the starting point which use by Songa Rafting is the one place often be used bath of Mahapatih Gadjah Mada Pekalen river, 25 km from Probolinggo exactly unfolding of among three subdistrict successively that is subdistrict Tiris, subdistrict Maron, and subdistrict Gading. Pekalen River which can be forded is 29 km divisible for 3 area. And Songa divide the package become 3 shares ; Pekalen River on the top 12 km, Pekalen river on the middle 7 km, and Pekalen river on the bottom 10 km.

The River characteristic turn and have the bank, Beautiful nature, tens of rapids ( grade 2 and 3+) have exotic and challange, pride of waterfall, and Loveliness of bat caves, and also still discover of some scarce animal such as bald eagle, bird kepodang, monkey, iguana, linsang, squirrel become separate fascination Which can enjoy during of journey.