Colorado Plateau Trip Planning

http://www.acrossutah.com/

http://hayduketrail.org/

South-West Trip Inspiration

http://adventr.co/

South-West Individual Blogs and Trip Reports

http://www.ouestusa.fr/
http://www.climb-utah.com/index.htm
http://udink.org/
http://www.synnatschke.com/
https://www.roadtripryan.com/
https://www.thewave.info/index.html
http://www.ontdek-amerika.nl/index.html
https://www.ushikes.com/
http://www.hiking-southwest.de/
https://www.americansouthwest.net/
https://andrewskurka.com/

Nationwide Trip Reports

http://backcountrypost.com/
http://www.nwhikers.net/

Maps and guidebooks

http://www.natgeomaps.com/
https://ngmdb.usgs.gov/topoview/

https://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5316023.pdf

Local reference

https://www.nps.gov/cany/planyourvisit/needles.htm
https://www.fs.usda.gov/mantilasal
https://www.friendsofcedarmesa.org/

Gear reviews

https://www.outdoorgearlab.com/
https://thebigoutside.com/
https://www.switchbacktravel.com/hiking-backpacking-gear-reviews