GJ SUP Highline Lake Kiosk Opens Memorial Day Weekend 2018!! 05/10/2018 2 0 Events, News GJ SUP provides rentals, lessons and SUP yoga at Highline Lake State Park. Fun for the whole family!! #gjsup#grandjunctioncolorado#grandjunctionstanduppaddle#paddleboarding#paddleboardlessons#paddleboardyoga#paddlesports#standuppaddle#standuppaddleboarding#standuppaddleyoga#visitgrandjunction#westslopebestslopegrandjunctionco Share