Imam Turki bin Abdullah Royal Natural Reserve, formerly At-Taysiyah Natural Reserve, is a nature reserve located in the northeastern Riyadh region of the Kingdom of Saudi Arabia. The vegetation cover of the reserve generally consists of acacia and sidr trees, in addition to some other shrubs such as Red medlar, Rhanterium and Haloxylon.
The reserve is a center for the reintroduction of houbara bustards and other endangered wildlife in this area, and it is also home to some other species such as the Rhim gazelle, the ostrich and the Arabian oryx.