How to Beat Mega Gyarados in Pokémon GO – Full Raid Guide
by Ryan Carter Updated on 2025-08-27 / Update for change location
Mega Gyarados Pokémon GO is a powerful Dark and Water type Mega Raid boss that challenges even skilled trainers. To defeat it, you’ll need the right team, focusing on Electric, Grass, Fighting, Bug, and Fairy counters.
In this guide, we’ll cover mega gyarados pokemon go counters, weakness and raid tips to help you win fast and catch it successfully. Whether you’re a solo player or raiding with friends, this guide will make your Mega Gyarados battle easier.

- 1. What is Mega Gyarados?
- 2. How to Beat Mega Gyarados in Pokémon GO
- 3. How to Find Mega Gyarados Raid?
- FAQs about Mega Gyarados
1. What is Mega Gyarados?
Gyarados and Mega Gyarados are among the most iconic Pokémon in the series. In Pokémon GO, Mega Gyarados becomes a Water/Dark-type after Mega Evolution, making it a powerful Mega Raid boss with unique strengths and weaknesses.
Mega Gyarados is especially strong against Fire, Ground, and Rock Pokémon, so avoid bringing those types into battle. Instead, focus on its weaknesses by using Electric, Grass, Fighting, Bug, or Fairy-type counters to maximize your chances of winning.
When defeated in raids, Gyarados can be caught in the following CP ranges:
- 1855 CP – 1937 CP (no weather boost)
- 2319 CP – 2422 CP (boosted by Windy or Rainy weather)
Mega Gyarados raids usually require 3–5 high-level trainers with strong counters. Newer players or those without optimal teams may need more trainers to secure the win. This fan-favorite Mega Pokémon remains one of the toughest yet most rewarding challenges in Pokémon GO.

2. How to Beat Mega Gyarados in Pokémon GO
Taking down Mega Gyarados Pokémon GO requires the right strategy. It’s a tough Water/Dark-type Mega Raid boss, but with the right counters, you can beat it efficiently.

Raid Strategy
- Team Size: 3–5 high-level trainers with optimal counters, or more if your team lacks strong Pokémon.
- Weather Boosts: Rainy Weather boosts Electric and Water moves; Cloudy Weather boosts Fighting and Fairy counters.
- General Tip: Avoid Fire, Ground, Rock, and Psychic Pokémon since Mega Gyarados resists these.
2.1 Mega Gyarados Weakness and Type Chart
Mega Gyarados is a Water and Dark-type Pokémon, which changes its usual typing from regular Gyarados (Water and Flying). This new combination makes it more defensive but also opens different weaknesses you can use in raids.
Weaknesses
Mega Gyarados takes 1.6× damage from these types:
Type | Notes |
---|---|
Electric | Super effective |
Grass | Super effective |
Fighting | Super effective |
Bug | Super effective |
Fairy | Super effective |
Resistances
Mega Gyarados takes reduced damage from these types:
Type | Notes |
---|---|
Dark | 0.62× |
Fire | 0.62× |
Ghost | 0.62× |
Ice | 0.62× |
Psychic | 0.62× |
Steel | 0.62× |
Water | 0.62× |
Psychic | 0.39× (Double Resistance) |
2.2 Best Pokémon Against Mega Gyarados
When it comes to how to beat Mega Gyarados Pokémon GO, here are the best Pokémon against Mega Gyarados based on performance:
Best Mega Gyarados Counters:
Counter | Image | Fast Move | Charge Move | Type |
---|---|---|---|---|
Mega Lucario | ![]() |
Force Palm | Aura Sphere | Fighting |
Mega Sceptile | ![]() |
Fury Cutter | Frenzy Plant | Grass |
Mega Gardevoir | ![]() |
Charm | Dazzling Gleam | Fairy |
Mega Heracross | ![]() |
Counter | Megahorn | Fighting/Bug |
Kartana | ![]() |
Razor Leaf | Leaf Blade | Grass |
Shadow Raikou | ![]() |
Thunder Shock | Wild Charge | Electric |
Lucario | ![]() |
Force Palm | Aura Sphere | Fighting |
Xurkitree | ![]() |
Thunder shock | Discharge | Electric |
Terrakion | ![]() |
Double Kick | Sacred Sword | Fighting |
Zarude | ![]() |
Vine Whip | Power Whip | Grass |
Other strong choices include Mega Venusaur, Shadow Zapdos, Mega Manectric, Tapu Koko, and Mega Blaziken.
3. How to Find Mega Gyarados Raid?
Mega Gyarados raids don’t always appear nearby, and you might miss good chances to battle and earn Mega Energy. This is where iAnyGo, a location changer for Pokémon GO, becomes useful. It lets you explore different areas virtually, so you can spot active raids, jump to raid hotspots, and join battles without leaving home.
Key Features of iAnyGo for Finding Raids:
- Nearby Raid Scan: Automatically loads all raid battle data within a 5km radius of your spoofed location.
- Detailed Pokémon Info: View raid boss type, level, distance, and battle details before joining.
- Route Generation: Creates a path to multiple raids, allowing you to battle back-to-back.
- Custom Movement Options: Adjust speed and movement type for more natural spoofing.
- Flexible Search Filters: Search by Pokémon name/ID, or sort by distance, raid level, start/end times, and even Shadow Pokémon.
How to find mega gyarados pokemon go raid:
- Step 1: Click the Poké Ball icon in the top-right corner. When the navigation bar appears, select the first icon to scan for raids within 5km.
- Step 2: Choose how many raid battles you want to join. The system will calculate and prepare raid data for you.
- Step 3: iAnyGo will generate a travel route based on your selection. Adjust spoofing speed and movement type, then begin your raid journey.



If Mega Gyarados raids are rare in your area, iAnyGo makes things easier by simulating movement within a 5km radius. You can quickly find raids, join on time, and collect rewards. The tool also works for other rare raid bosses, helping you enjoy smoother and more exciting gameplay.
FAQs about Mega Gyarados
1. Can you solo Mega Gyarados?
No, Mega Gyarados is too strong to solo. You need a team of trainers to defeat it.
2. How many trainers to beat Mega Gyarados?
At least 3–5 strong trainers are needed, but more players make the raid easier.
3. How much does a Mega Gyarados EX cost?
The price can vary, but Mega Gyarados EX cards usually cost between $10–$50 depending on edition and condition.
4. How to get Gyarados Mega Energy?
You can earn Mega Energy by defeating Mega Gyarados in raids or by walking with Gyarados as your buddy.
Conclusion
Mega Gyarados in Pokémon GO is a powerful raid boss that needs teamwork to defeat. Collecting its Mega Energy helps you unlock this amazing form for battles. If you want to easily explore different locations and join more Mega Gyarados raids, try iAnyGo. It lets you change your GPS location safely, so you never miss out on Pokémon raids and events.