Management of natural resources and environmentalhazardoues of rivers to reinforce tourism and ecotourismpotentialCase study: Abbass Abad river- Hamedan

River basins have basic role to shape and development of human civilization fromprevious centuries. By establishing and initiating agricultural activities in river basins,various civilizations have been created and developed. There is various natural andhistorical resources in natural environment that are effective one stable programmingand development. Abbass Abad river basin has been originated, from 12 km of west –southern of Hamedan, Alvand Mountains.This area has been divided to tow part of plain and mountain due to thetopographical aspects some factor as lithology geostructural are effective to controlland surface. Due to the earth features, high height had been shaped. River length is 18km from river origin to Abbass Abad region average height to this area is 2600m.Due to the internal and external processes in basin, interesting land scopes havebeen created in Alvand Mountains and have been used to exercise, mountain climbingand ski. Due to the tourism and ecotourism attraction as historical Gangnamed inscription, small land large springs, small and large waterfalls, appropriate area to skiand country side areas, this region is very important. by exploitation, this region hasbeen developed and by presence of tourists, double pressure has been created. Therefor evaluating tourism and ecotourism potentials of Abbass Abad, geomorphic featureshad been emphasized beside to management method to natural resources andenvironmental hazards to improved programming to tourism and eco tourism based onecological potential.