You need to leave the cave and use [item=133897] on the top of this hill
Survey Says… is part of Nightfallen But Not Forgotten - Chief Telemancer Oculeth storyline.
You can find more info about storyline in the achievement link
You will also need this quest for Good Suramaritan
This quest will open 1 of 9 teleports from Now You're Thinking With Portals in Suramar Legion
Quest video: https://www.youtube.com/watch?v=j1FvlrYq8uU
All teleports send you to Shal'aran. Closest flight point is Meredil.
Name
Coordinates
Note
How to find/location video
[spell=202664]
36.2, 47.1
https://www.youtube.com/watch?v=fJbHH8vN8H0
[spell=224669]
21.5, 29.9
22.9, 35.8 - Entrance
https://www.youtube.com/watch?v=YjHQdjSybHA
[spell=224670]
47.5, 82.0
https://www.youtube.com/watch?v=qo2DdtjqKDQ
[spell=224674]
64.0, 60.4
Need Honored
https://www.youtube.com/watch?v=Sdl-Acnvz90
[spell=222550]
39.1, 76.3
35.8, 82.1 - Entrance
https://www.youtube.com/watch?v=yeF3BhfuJgo
[spell=222545]
43.6, 79.1
https://www.youtube.com/watch?v=_9CGvoDAEvw
[spell=222548]
30.8, 10.9
27.8, 22.3 - Entrance
https://www.youtube.com/watch?v=Fko8a7vNAcI
[spell=222549]
43.4, 60.7
42.6, 61.7 - Entrance
https://www.youtube.com/watch?v=qcqDaLVPFTY
[spell=222547]
42.2, 35.4
https://www.youtube.com/watch?v=ymG6PkzmeL0
More info about quests:
[spell=202664]
~25 quest in Suramar
https://www.youtube.com/watch?v=j1FvlrYq8uU
[spell=224669]
~40 quest in Suramar
https://www.youtube.com/watch?v=KPhdouV5qt0
[spell=224670]
~50 quest in Suramar
https://www.youtube.com/watch?v=aLRQBx0txY8
[spell=224674]
~60 quest in Suramar
https://www.youtube.com/watch?v=aLLt5yIEDUQ
[spell=222550]
Need 100 [currency=1155]
https://www.youtube.com/watch?v=0mmvcDXXKfM
[spell=222545]
Need 100 [currency=1155]
https://www.youtube.com/watch?v=-YCdogCNgKw
[spell=222548]
Need 100 [currency=1155]
https://www.youtube.com/watch?v=_NupePoKJUA
[spell=222549]
Need 100 [currency=1155]
https://www.youtube.com/watch?v=nen7FWD2Q0Y
[spell=222547]
Need 100 [currency=1155]
https://www.youtube.com/watch?v=T5jdbYr678o
You see Unpowered Telemancy Beacon for last 5 teleports on your map instead of quest name.
/way Suramar 39.1, 76.3 Felsoul Hold
/way Suramar 43.6, 79.1 Lunastre Estate
/way Suramar 30.8, 10.9 Moon Guard
/way Suramar 43.4, 60.7 Sanctum of Order
/way Suramar 42.2, 35.4 Tel'anor
/way Suramar 35.8, 82.1 Felsoul Hold Entrance
/way Suramar 27.8, 22.3 Moon Guard Entrance
/way Suramar 42.6, 61.7 Sanctum of Order Entrance
/way Suramar 43.1, 43.3 Tel'anor road
You don't need the following 4 portals locations, because they are useless without quests
But if you just want to look the locations:
/way Suramar 36.2, 47.1 Ruins of Elune'eth (need questline first)
/way Suramar 21.5, 29.9 Falanaar (need questline first)
/way Suramar 47.5, 82.0 The Waning Crescent (need questline first)
/way Suramar 64.0, 60.4 Twilight Vineyards (need questline first)