The city of Kamloops, British Colombia built a longboard specific park. It is thought to be the first park of its kind, effectively making it the worlds first longboard specific park.
Skate all day for free with no worries of cars or disgruntled neighbours. The course has only 2 runs so far, a mellow run and an advanced run. The location looks like it could handle many more runs, so I think they could expand the park if it become popular.