On a similar note, We've already been advised of a hike in price of the French holiday we have booked later this summer, due to the exchange rates.
And only this morning the BBC news team were running an article on all of the ferry operators bringing in surcharges due to the increases in the cost of fuel.
The popular sites we used in Cumbria were already full to capacity at half term and are increasingly difficult to book, unless you are fortunate to be able to plan months or a year ahead.
So no, I don't see our pastime being on it's last legs, in fact I can only see it becoming more popular as the costs of foreign travel continue to rise.
Ken.