At least £200 million could be wiped off the value of tourism in Loch Lomond and Trossachs National Park this year because of the lockdown.Chair of leading national park charity Friends of LLTNP, James Fraser, said this week a prolonged lockdown could see at least a quarter of tourism businesses lost and more than 1200 redundancies.Mr Fraser, a former tourism chief for the area, said tourism revenues were tumbling at an alarming rate in the National Park with over £100 million in losses racked up already, including valuable advance group bookings from both UK and international markets being cancelled for the whole year.Loch Lomond and The Trossachs is one of the most popular tourist destinations in Scotland with more than 4,000,000 visitors