There is an apparent gay crowd walking around with horny eyes, but the bushes are thin and useless as cover. There's a narrow maze of paths. This area of the park is also visited by a regular crowd of families, tourists, runners and elder.
During daylight this is more a "take-out" than an "eat-in" place unless you're exhibitionist or really quick.
Gay cruising at the corner of Avenuda de Cuba and Paseo del Duque Fernan Nunez in the bushes.
Busy in the afternoon and early evening, don't go after dark (unsafe)