Website where you can look up sectional charts and check for any TFRs that are in place.
https://skyvector.com/
Part 103 for Ultralights
https://www.paraglidingsanfrancisco.com/part-103-for-ultralights/
FAA on Sectional charts
https://www.faa.gov/regulations_policies/handbooks_manuals/aviation/phak/media/17_phak_ch15.pdf
USHPA P2 Operating limitations
https://www.paraglidingsanfrancisco.com/operating-limitations-for-ushpa-p2-novice-paragliding-pilots/
Paragliding Earth List of most paragliding sites with site admin info and rating requirements.
https://paraglidingearth.com/