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Hogwarts Legacy

The Lost Astrolabe Walkthrough: How to Dive

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Hogwarts Legacy The Lost Astrolabe

The Lost Astrolabe is one of the side quests in Hogwarts Legacy. Read on to see a detailed walkthrough, rewards, location, and tips on how to unlock and complete this side quest, as well as how to dive into the Black Lake!

List of Contents

The Lost Astrolabe Overview

General Info

The Lost Astrolabe
Quest Giver Grace Pinch-Smedley
Description A student outside Lower Hogsfield is staring longingly out over the waters of the Black Lake. I wonder what's on her mind.

The Lost Astrolabe Rewards

Completion Rewards
180 XP, Mermaid Mask, 20 Gold (optional)

How to Unlock The Lost Astrolabe and Location

Visit Lower Hogsfield

Map View World View
Hogwarts Legacy The Lost Astrolabe
South Hogwarts Region
Hogwarts Legacy Lost Astrolabe Location
Lower Hogsfield

The Lost Astrolabe side quest becomes available upon your first visit to Lower Hogsfield.

The Lost Astrolabe Walkthrough

Objectives
1 Talk to Grace Pinch-Smedley.
Grace is located on the dock, looking in the northeast direction over the Black Lake.
2 Dive in the Black Lake and find the astrolabe.
From the dock, jump into the lake and swim northeast until you reach the purple circle area denoted on your minimap.

You don't actually need to dive into the Black Lake. Just jump in and swim to the ripples in the purple search area.
3 Return to Grace.
Swim back to Grace at the dock to finish the quest.

2. Dive in the Black Lake and Find the Astrolabe

Hogwarts Legacy How to Dive

The astrolabe is located in northwesternmost ripple, among the 5 ripples found within the purple search area denoted on the minimap. Search the ripple in the lake to dive in and retrieve it.

The Lost Astrolabe Tips and Strategies

Search All Ripples in the Lake

Hogwarts Legacy Lost Astrolabe Tips

Searching each ripple gives you a Gear item, so be sure to check all 5 before you head back to Grace.

Ask for Gold at the End

Hogwarts Legacy Lost Astrolabe Reward

Asking for gold in the dialogue options at the end of the quest will net you a 20 Gold bonus, with no repercussions.

Hogwarts Legacy Related Guides

Hogwarts Legacy - List of Side Quest.png
List of Side Quests

All Side Quests

Hogwarts Castle Side Quests
Like a Moth to a Frame Crossed Wands: Round 1
Flying Off The Shelves Gobs of Gobstones
Cache in the Castle The Daedalian Keys
Crossed Wands: Round 2 Spell Combination Practice 1
Venomous Valour Crossed Wands: Round 3
Spell Combination Practice 2 Dissending for Sweets
Summoner's Court: Match 1 Interior Decorating
Mer-Ky Depths The Man Behind the Moons
Summoner's Court: Match 2 The Tale of Rowland Oakes
The Hall of Herodiana The Plight of the House-Elf
Summoner's Court: Match 3 Foal of the Dead
Beeting a Curse All's Well that Ends Bell
Summoner's Court: Match 4 Phoenix Rising
History of Magic Class Summoner's Court: Match 5
South Hogwarts Side Quests
The Lost Astrolabe Carted Away
Absconder Encounter Well, Well, Well
Hogsmeade Side Quests
Follow the Butterflies Flight Test
A Demanding Delivery A Friend in Deed
Sweeping the Competition Venemous Revenge
Take the Biscuit Spot Removal
Tangled Web Minding Your Own Business
The Sky is the Limit The Unique Unicorn
Portrait in a Pickle -
Hogsmeade Valley Side Quests
Breaking Camp Brother's Keeper
Forbidden Forest Side Quests
Ghost of Our Love -
Hogwarts Valley Quests
Kidnapped Cabbage Troll Control
Feldcroft Region Quests
E-Vase-Ive Manoeuvre A Thief in the Night
Poidsear Coast Side Quests
The Hippogriff Marks the Spot -
Marunweem Lake Side Quests
Birds of a Feather -
Manor Cape Side Quests
Cursed Tomb Treasure Rescuing Rococo
Solved by the Bell -
Cragcroftshire Side Quests
Sacking Selwyn -

All Relationship Quests

Sebastian Sallow Questline
In the Shadow of the Bloodline In the Shadow of the Study
In the Shadow of Discovery In the Shadow of Time
In the Shadow of Distance In the Shadow of Hope
In the Shadow of the Relic In the Shadow of Fate
In the Shadow of Friendship
Natsai Onai Questline
The Lost Child Mum's the Word
A Basis for Blackmail Grief and Vengeance
Finding Focus Harlow's Last Stand
Acting on Instinct
Poppy Sweeting Questline
A Dragon Debrief Poached Egg
The Poacher's House Call Surprise Meeting
The Centaur and the Stone It's in the Stars
A Bird in the Hand Poppy Blooms

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