It Is Necessary To Know The Magnitude Of The Number Of Visits To Urban River Spaces, What Is The Profile Of The Users, And How These Visits Are Geographically Distributed Around These Spaces. Among Other Reasons, All This Information May Provide Better Management Of Environmental Issues Such As The Impact That Visitors May Have On Biodiversity, Or Other Aspects Of Management And Planning, Such As The Supply Of Services Or The Preparation Of Emergency Plans. The Universe Of Eusriull Is Made Up Of The Population Of 15 And More Years Of Users Of The Metropolitan Area Of ​​The Llobregat River. The Survey Is Aimed At Users In 15 Different Municipalities (The Location And Limits Of The Metropolitan Area Of ​​The Llobregat River Can Be Consulted On The Corporate Website Of The Amb). These People Will Need To Respond Personally To The Interview. The Operation Involves The Collection Of A Minimum Of 960 Interviews, Fulfilling The Quotas Established In The Sample Design.