Stäketskogen Nature Reserve

Stäketskogen Nature Reserve (Swedish: Stäketskogens naturreservat) is a nature reserve in Upplands-Bro Municipality, Stockholm County in Sweden.

The nature reserve has been created to protect an area of old-growth mixed coniferous forest. The area is hilly, with glacial till, and has been subjected to a very low degree of forestry. It is a known habitat for several species of endangered insects and bracket fungi.