The 16th Conference on Sinkholes and Karst will take place April 20 – 24 , 2020 , in Puerto Rico. The conference is managed by the National Cave and Karst Research Institute, which will organise this meeting in Puerto Rico Topics will include: Karst Development & Mapping, Pro-Active and Remedial Engineering in Karst Terrain, Karst Water Resource Management and more. Optional Short Courses will be offered on April 21, 2020, and Field Trips on April 20 and 24, 2020. Optional Field Trips: Karst of Rio Camuy Cave Park and Arecibo Observatory, and Karst sites in Vega Alta and Vega Baja For further information : http://sinkholeconference.com/