M27, A31 to Ringwood, then A338 to Bournemouth.  The use your map/st-nav as there are loads of options!  The hotel is about a mile west of the town centre as the crow flies, but he doesn’t bother about steep slopes.

OR just fall out of bed…

For the On on, drive north up Alumhurst Road for less than a mile to a gyratory where there are 2 pay-and-display car parks in Milburn Road (BH4 9HJ).