Indirock is Southend's first bouldering wall. Based in Southend-on-sea, Essex, Indirock is driven by 3 aims: - Bringing the adventure and enjoyment of bouldering to Southend - Being part of the revival of our town centre - Supporting vulnerable young people from our local area into work Bouldering is one of the fastest-growing sports in the UK. It’s fun, a great way to keep fit and very sociable.