Great Glacier
Your exploration of the Great Glacier begins after you finish the snowboarding trip down the mountain from the Icicle Inn. Some important notes about the Great Glacier:
Map
After you walk a certain amount of steps (544 steps, which is equal to approximately 145 seconds of movement), you will pass out and regain consciousness in Mr. Holzoff’s cabin in an area north of Area (13).
You can return to the Great Glacier after having passed out. Just proceed south away from Mr. Holzoff’s cabin, and you will return to Area (13), which is a snowy area that looks like the world map. You can travel west into Area (12), south into Area (11), or east into Area (14).
Depending on the routes you took when the paths split during the snowboarding mini-game, you may have landed in any one of the four following areas:
- Left followed by a left: Area (3)
- Left followed by a right: Area (1)
- Right followed by a right: Area (2)
- Right followed by a left: Area (7)
Use the maps included below to help you discern where you landed.
Be cautious not to get mixed up when traveling from one area to another. North/West/South/East will only apply when you reach a landmark but not when you travel between two landmarks.
Area (1)
Area (2)
Area (3)
Area (4)
Area (5)
Area (6)
Area (7)
Area (8)
Area (9)
Area (10)
Area (11)
Area (12)
Area (13)
Area (14)
You may encounter an enemy in this area called a “Snow,” which resembles a humanoid female (pictured in the screenshot below). You can steal an accessory called a 
Circlet from them, which increases the user‘s Magic and Spirit stats by 30 each. The Circle is a powerful accessory for Magic users.
Start by traveling from wherever you landed to Area (3), or if you were lucky, you may have already landed in this area.
In the middle of the forest kues a small item bag that contains a 
Mind Source. Travel to the east from where you found the Mind Source over to Area (5), as indicated on the map. It can be a little challenging to find your way through the forested area, but just make sure you exit out of the right side of the screen.
You can find all these items below in the order listed. If you pass out, you will find yourself at the Base of Gaea’s Cliff, which is located just north of Area (13) on the map. Travel back south into Area (13), a snowy, field-like area, and use the trail markers to exit either west, south, or east.
Finding the Safety Bit
In Area (5), you will find a lake with a sheet of ice in the middle. Walk straight over to the ice platforms—pick up the Potion lying on the ice, and continue northwest toward Area (6) (pictured in the screenshot below).
This mini-game is simple. You have to jump onto the floating icebergs without jumping onto a submerged iceberg (or trapping yourself in accidentally having to step onto a submerged iceberg) and making it to the other side of the screen. You can attempt this mini-game yourself if you would like to or use the following key:
Jump onto the first iceberg and then go:
- North
- West
- South
- West
- North
- East
- North
- North
- North
- West
- South
- East
- East
- North
Proceed into the cave to find an item bag that contains a Safety Bit.
To navigate back across the iceberg maze, use the following path: Jump onto the first iceberg and then go West, South, East (x2) South, West, South, East, South, West.
Finding the Added Cut Materia
Travel from Area (5) northeast and along the pathway until you reach Area (7) with the lone pine tree. Head east (to the right) away from the pine tree towards Area (10).
You will then travel through three snowy trail screens to the northeast, ending at Area (10). Take the trail leading to the northeast (top right) side of the screen towards Area (11).
Continue along the trail leading northwest, away from Area (10), and on the second screen, you will find a nearly invisible 
Added Cut Materia lying in the snow.
Finding the Alexander Summon Materia
The first step to obtaining the Alexander Summon Materia is to travel towards Area (11). You can either return to Area (10) and head northwest or, if you passed out and returned to Area (13), head southeast.
Reach down and touch the hot spring in this area. Completing this step first allows you to obtain the Materia later on.
Travel northwest from there towards Area (13), which is a vast, snowy field. Use the marker poles to help guide yourself, as the camera will spin whenever the wind blows, making it difficult to keep track of your direction.
Make sure that you exit out the east side of the field. Follow the trail until you reach the screen shown below.
Enter the cave on the top right side of the screen and speak to the person sitting off to the right. Now that you have touched the hot spring, this person will fight you.
The fight is another easy one. It is against an enemy called a “Snow,” which you may have already fought once or twice in the Great Glacier Area.
The person will disappear after the fight, leaving the 
Alexander Summon Materia behind (notice the spelling error on the ‘received’ notification box in-game with an extra quotation mark).
Finding the All Materia
There is an All Materia in the center of Area (13). There is a large, rocky cave right in the middle of the snowy field—keep traveling around the center area until you find it.
Make your way north from Area (13) at the Base of Gaea’s Cliff near Mr. Holzoff’s cabin when you have picked up all the items in the locations listed above and are ready to continue to the next chapter of the game.