Winter Dispersed Camping

[GroundedFA]

Does anyone know of any dispersed camping areas in Inyo National Forest or Sierra NF during winter? 
Also looking for recommendations on camping apps. I've been using TheDyrt, which has helped in finding some good sites, but it has some glitches. 

Thank you!

[Philreedshikes]

I've seen this, INYO FS page on dispersed camping

https://www.fs.usda.gov/activity/inyo/recreation/camping-cabins/?recid=20228&actid=34

Looks like you'll need a permit, also looks like you can purchase an INYO NF map at the visitor center, which highlights restricted areas.

I wish I could camp there, alas I'm on the wrong coast.

good luck!