Alphen aan den Rijn has a railwaystation. Trains arrive coming from Leiden, Utrecht and Gouda.
* From Leiden, take the train to Utrecht.
* From Amsterdam, go to Leiden and change to Utrecht.
* From the Hague, go to Leiden and change to Utrecht.
* From Rotterdam, go to Gouda and change to Leiden or go to Leiden and change to Utrecht.
* From Utrecht, take the train to Leiden.
From Amsterdam take the A4 to The Hague and Rotterdam. At crossing 4, Nieuw Vennep, take the N207 to Alphen aan den Rijn.
* From The Hague take the A4 to Amsterdam and at crossing 6a. Zoeterwoude Rijndijk, take the N11 to Alphen aan den Rijn.
* From Rotterdam take the A13 to The Hague, proceed over the A4 to Amsterdam and follow the route given for the Hague.
* From Utrecht take the A12 to Rotterdam/the and at crossing 12a Bodegraven take the N11 to Alphen aan den Rijn.
Archeon, a 'theme park' about living history of the Netherlands, containing 43 buildings from the Prehistory, Roman - and Middle Ages, founded in 1994.
* Avifauna, a bird park with garden, ponds, restaurant, hotel, playground founded in 1950, May 17.
* Recreation Park Zegerplas' with animal farm for children, stork park, pancake restaurant.
* Wet 'n Wild, at the Zegerplas, waterski and wakeboard possibilities.
* Green heart, bicycle and walking routes throught typical dutch polders.
Oudhoornse Kerk (Oudhoorn Church) is a Protestant church at the border of the Old Rhine founded by Cornelis the Flemish.
* Remonstrantse Kerk (Remonsttant Church) formerly a synagogue.
* Korenmolen de Eendracht (Cornmill de Eendracht) This mill was founded in 1752 and located at the north side of the river de Gouwe. In 1898 the mill has been transferred to Alphen aan den Rijn to replace another mill. Until 1955 the mill has been used commercially. Open every Saturday for public viewing.
* Old City Hall. Nowadays houses the music school. At the Burgemeester Visserpark.
* Town house. In 2003 the new State House has been opened. A revolutionary design with trends of openness accentuated by using glass.
* Catholic St Bonifatius Church founded in 1884.
* Crypt of the family De Smeth is in the protestant church
* Advents Church. Formerly the first Bonifatius Church, but during the Eighty Years' War destroyed and rebuilded as protestant church.
20 of Alphen, Athletics run of 20 km, every 2nd Sunday in March. Founded in 1952.
* Yearmarket, Every 3rd Wednesday in September. One of the largest Yearmarkets of the Netherlands with a small carnival.
* Old Timer day, On a Saturday in September.
* Taptoe Alphen, Saturday evening before the Yearmarket at the Thorbeckeplein.
* 2 hours of Alphen, On Queens day a windsurfing championship around Zegerplas.