Thanks Soleil that would be really helpful. I'm flying into Accra then going to Twifo Praso primarily, and visiting a national park in the north of the country. I'm out there for a couple of weeks. Can you also ask if it's possible to buy currency in the UK or if it can only be purchased in Ghana?
When I was having dinner with Portia yesterday, I told her about you and she was keen to help.
She recommended exchanging roughly £40 into the Ghanaian Cedi at the airport (Kotoka/Accra) on arrival, to cover your immediate needs then seeking out a Bureau de Change later which offers the best rate.
Something she told me is that you should be careful about getting a taxi at the airport, as unscrupulous drivers hang around at the door to the terminal. She said that you should ask one of the uniformed airport staff for guidance as to where to get the right sort of taxi.
She's keen to offer as much advice as possible and asked me where you were staying in Accra, so that she can check how much you should be paying for a taxi.
Are you going with a group, by the way, or on your own?