This is a map and walkthrough for Great Marsh, the Sinnoh region's very own safari zone in Pokemon Brilliant Diamond and Shining Pearl (BDSP). Learn about the mechanics of the Great Marsh, the Great Marsh Daily Pokemon, what Pokemon are found in each area, and what trainers, items, and events are encountered here.
| - | - | - |
|---|---|---|
| - | Great Marsh | - |
| - | Pastoria City | - |
List of Contents
| Great Marsh Area 1-4 |
|---|
 View Full Map Image |
| Great Marsh Area 3-6 |
 View Full Map Image |
| - | - | - |
|---|---|---|
| - | Great Marsh | - |
| - | Pastoria City | - |
| Great Marsh (Area 1) Items | ||
|---|---|---|
| Potion | Super Repel | |
| Great Marsh (Area 2) Items | ||
|---|---|---|
| Great Ball | Toxic Plate | |
| Great Marsh (Area 3) Items | ||
|---|---|---|
| Honey | Ultra Ball | |
| Great Marsh (Area 4) Items | ||
|---|---|---|
| Poke Ball | Super Potion | |
| Great Marsh (Area 5) Items | ||
|---|---|---|
| Antidote | Full Heal | |
| Great Marsh (Area 6) Items | ||
|---|---|---|
| Defog | Hyper Potion | Paralyze Heal |
Upon entering the Great Marsh, you'll find an Ace Trainer to your right. Talk to the trainer to get the TM Defog.
This move is very important in order for you to progress through the game so don't forget to get this TM!
You'll find a gate to the Great Marsh at the northern area of Pastoria City. You need to pay a ₽500 fee before you can enter the Great Marsh. Talk to the receptionist and pay the fee to receive 30 Safari Balls, which you can use to capture Pokemon inside the Great Marsh Safari Zone.
The session will end if you use up all 30 Safari Balls or take more than 500 steps.
Six special Pokemon will appear everyday, one for each area of the Great Marsh. Take note that you may have the same special Pokemon for different areas. These six Pokemon change daily and some are exclusive to the Great Marsh.
To view the Daily Pokemon found in the Great Marsh, you can look through the binoculars on the second floor of the lobby. It will only show a random Pokemon from 5 of the areas in the Great Marsh, so you may need to look through it several times to find all six of your Daily Pokemon.
Changing the date on your Nintendo Switch will not affect the Daily Pokemon in the Great Marsh.
You can view the Pokemon you can encounter in all the areas in the Great Marsh by going to the second floor of the lobby in the building and paying ₽100 to use the binoculars. All 3 Binoculars can scan the entire Great Marsh, so it does not matter which one you choose.
Each time you view the binoculars, you will be shown 5 Pokemon from 5 of the different areas in the Great Marsh. There is a chance that you could view one of your 6 Daily Pokemon from the binoculars. If you do not find any of your Daily Pokemon, you can pay another ₽100 to look through the binoculars again.
The binoculars will show you Pokemon from 5 random areas of the Great Marsh, so it may be difficult to tell what area you are looking at through the binoculars. You can use this list of binocular backgrounds to find out what area each one corresponds to.
| Area 1 |  |
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| Area 2 |  |
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| Area 3 |  |
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| Area 4 |  |
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| Area 5 |  |
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| Area 6 |  |
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| Flee Rate | Catch Rate | |
|---|---|---|
| Throwing Bait | More likely to flee | Easier to catch |
| Throwing Mud | Less likely to flee | Harder to catch |
While scouring for Pokemon in the Great Marsh, encounters inside the area will be different. When engaged in a Pokemon battle, your choices will be Ball, Bait, Mud, and Run.
Throwing Bait at a Pokemon will make the Pokemon more likely to runaway from the encounter, but makes it easier to catch the Pokemon.
On the other hand, throwing Mud at a Pokemon will make it harder to catch, but also decreases the chance that it flees the battle.
Simply throwing a Safari Ball is the safest way to catch Pokemon in the Great Marsh, as it does not change any catch or flee rates of the Pokemon you will encounter.
| Great Marsh Daily Pokemon (Pre-National Dex) |
 Golduck
|
 Roselia
|
 Staravia
|
|---|---|---|
 Skorupi
|
 Drapion
|
 Croagunk
|
 Toxicroak
|
 Carnivine
|
|
| Great Marsh Daily Pokemon (With National Dex) |
 Paras
|
 Exeggcute
|
 Kangaskhan
|
|---|---|---|
 Yanma
|
 Shroomish
|
 Gulpin
|
How to Unlock the National Dex
| Pokemon | Morning | Day | Night |
|---|---|---|---|
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Uncommon | Uncommon | Uncommon |
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Uncommon | Uncommon | Uncommon |
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Rare | Rare | None |
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Rare | Rare | None |
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Rare | Rare | Rare |
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Rare | Rare | Rare |
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Very Rare | Very Rare | Very Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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None | None | Rare |
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None | None | Rare |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
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Very Rare |
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Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
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Very Rare |
| Pokemon | Morning | Day | Night |
|---|---|---|---|
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Uncommon | Uncommon | Uncommon |
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Uncommon | Uncommon | Uncommon |
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Rare | Rare | None |
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Rare | Rare | None |
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Rare | Rare | Rare |
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Rare | Rare | Rare |
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Very Rare | Very Rare | Very Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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None | None | Rare |
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None | None | Rare |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
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Very Rare |
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Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
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Very Rare |
| Pokemon | Morning | Day | Night |
|---|---|---|---|
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Uncommon | Uncommon | Uncommon |
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Uncommon | Uncommon | Uncommon |
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Rare | Rare | None |
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Rare | Rare | None |
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Rare | Rare | Rare |
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Rare | Rare | Rare |
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Very Rare | Very Rare | Very Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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None | None | Uncommon |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
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Very Rare |
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Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
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Very Rare |
| Pokemon | Morning | Day | Night |
|---|---|---|---|
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Uncommon | Uncommon | Uncommon |
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Uncommon | Uncommon | Uncommon |
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Rare | Rare | None |
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Rare | Rare | None |
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Rare | Rare | Rare |
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Rare | Rare | Rare |
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Very Rare | Very Rare | Very Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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None | None | Uncommon |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
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Very Rare |
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Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
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Very Rare |
| Pokemon | Morning | Day | Night |
|---|---|---|---|
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Uncommon | Uncommon | Uncommon |
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Uncommon | Uncommon | Uncommon |
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Rare | Rare | None |
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Rare | Rare | None |
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Rare | Rare | Rare |
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Rare | Rare | Rare |
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Very Rare | Very Rare | Very Rare |
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Very Rare | Very Rare | Very Rare |
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None | None | Uncommon |
| Pokemon | Morning | Day | Night |
|---|---|---|---|
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Uncommon | Uncommon | Uncommon |
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Uncommon | Uncommon | Uncommon |
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Rare | Rare | None |
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Rare | Rare | None |
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Rare | Rare | Rare |
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Rare | Rare | Rare |
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Very Rare | Very Rare | Very Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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Ultra Rare | Ultra Rare | Ultra Rare |
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None | None | Uncommon |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Common |
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Very Rare |
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Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
| Pokemon | Appearance Rate |
|---|---|
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Very Rare |
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Common |
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Very Common |
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Very Rare |
Ride the train inside the Great Marsh to travel between locations quickly instead of navigating through the bogs and swamps of the areas. The train and the stations can be found in the middle of the Great Marsh.
Stepping in the bogs in the swampy areas of the Great Marsh will cause you to sink. You need to move around in order to get out of it, but that movement uses up the limited steps you're allotted inside the area.
Be sure to avoid these bogs to save up on steps, as you are only allowed to take 500 inside the Great Marsh.
While in the Great Marsh, you are only allowed to take up to 500 steps before the Safai Game ends. Instead of using those steps to walk around grass patches, you can bring a Pokemon with the move Sweet Scent. While standing in a patch of grass, use Sweet Scent to instantly encounter a Pokemon.
| - | - | - |
|---|---|---|
| - | Great Marsh | - |
| - | Pastoria City | - |
I used the binoculars about 50 times and didn't see a single post-National Dex daily Pokemon. I'm starting to think the Marsh isn't always guaranteed to have one, or the list is wrong.
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Yeah, I've confirmed this now, you are not guaranteed to get a post-National Dex daily Pokemon. This makes catching that last one you need all the most obnoxious.