This is a consecrated space of Guheshwari. You can make offerings and go close to the Devi. During non busy hours, there is space to sit and meditate. You can go into meditative states effortlessly here.
How to get there
This temple is 3.5 kms north of Swayambhunath.
Map: https://goo.gl/maps/JRoZJvii9XR2sYheA
About Purano Guheshwari
Balaju Guhyeshwori is a Newar yogini temple located north of Swayambhu. It is said that this was the “original” Guhyeshwori temple among the four yogini temples. Over time, devotees of the Pashupatinath yogini temple managed to redirect the attention of pilgrims towards their temple. Thus, Balaju Guhyeshwori fell into oblivion.
Read More:
https://www.nekhor.org/padmasambhava/nepal/swayambhu