Make use of the city's network of buses, trolley buses and trams, as well as its metro and overground HEV trains. See: www.bkv.hu.

Buy a 48- or 72-hour Budapest Card for unlimited travel on public transport plus free or discounted entry to museums and attractions. See: www.budapestinfo.hu.

For general information on Budapest and Hungary see: www.budapestinfo.hu, www.hungarytourism.hu and www.gotohungary.co.uk.

Here are 10 ways to spend an active afternoon in Budapest:

1. Jump on the No 2 tram for a tour of the main sights.
   
   
2. Hire a bike. Try www.yellowzebrabikes.com.
   
   
3. Cruise along the Danube river. Try www.mahartpassnave.hu or www.legenda.hu.
   
   
4. Take the funicular railway up to Buda Castle.
   
   
5. Explore the labyrinth of caves under Buda Castle. See: www.labirintus.com.
   
   
6. Take a dip in one of the city's thermal baths. For details see: www.budapestspas.hu.
   
   
7. See an opera at the Hungarian State Opera House.
   
   
8. Take the kids to the Budapest Zoo and botanical gardens. See: www.zoobudapest.com.
   
   
9. Take the kids on the Children's Railway to the west of Budapest. See: www.gyermekvasut.com. Then visit the Hungarian Railway Museum.
   
   
10. Wander around monuments from the age of communism at Statue Park. See: www.szoborpark.hu.