Conversation so far:
what is the distance around roath park lake
Roath Park was built on 130 acres of reformed bogland, known then as a malarial bog, and includes a 30-acre lake 1.3 miles around.
what activities is roath park popular for
Roath Park is a popular facility for fishing and rowing.
what other amenities are in roath park besides facilities for fishing and rowing
Roath Park includes a large playground, floral displays, the glasshouse conservatory and recreational areas.
what is the history of roath park
The land for Roath Park was donated to the city in 1887, primarily by the Marquis of Bute.

Question: when did the park open
Self-contained rewrite: when did roath park open to the public