Getting to Cairngorms National Park can be done in a variety of ways. If you are in the UK, you can go there by car since the park has great road links to the entire United Kingdom. Before you travel though, it is always advisable to plan early for your trip and to check road conditions. Additionally, you have to bring the appropriate supplies and clothing for your travel, especially during winter times. Most importantly, always be careful in driving and be extra mindful of road rules and etiquette.
Travelling by bus to the park is also a good option. If you are in London, then you can go to Victoria station and ride a bus or coach to Aviemore - a tourist resort situated within the Cairngorms National Park. To get to other destinations in the national park, you can take advantage of the local buses for trips from town to town or village to village. By the way, riding a coach from London to the park can take more or less 12 hours. For those who are in Edinburgh or Glasgow, buses that would take you to Aviemore are of course available. Just a reminder, make sure that you check bus timetables to ensure the success of your trip.
Other options for getting to Cairngorms National Park is by train and by air. For railway travel, the points of concern include Inverness railway stations, Aviemore mainline railway station, and Scotrail. For air travel, you have to get to Inverness Airport in order to get to Cairngorms National Park.
All in all, travelling to the park is easily done as long as you do enough planning, so you should give it a try!