Menlo Park is an upmarket suburb in the city of Pretoria, South Africa. It borders other upmarket areas Waterkloof, Brooklyn and Lynnwood. …Menlo Park is an upmarket suburb in the city of Pretoria, South Africa. It borders other upmarket areas Waterkloof, Brooklyn and Lynnwood. When it was first established between the 1950s and 1960s, it was the most eastern suburb of Pretoria, but the city has since considerably expanded eastwards. Today these suburbs are known as the Old East and can boast to have some of the city's most high-end residential properties.