Minecraft How to Make Nether Portal: The Ultimate 2026 Guide

Why You Need a Nether Portal in Minecraft

The Nether is a dangerous, fiery dimension filled with unique resources, hostile mobs, and fast-travel opportunities. Whether you need blaze rods for brewing, ancient debris for Netherite gear, or just want to shorten your Overworld travel time, knowing Minecraft how to make Nether portal is an essential skill for any player. Without a portal, you are locked out of half the game’s core content.

Building a Nether portal might seem intimidating if you have never done it before, but it is actually one of the simplest structures in the game. You only need two main materials and about five minutes of your time. Once you master Minecraft how to make Nether portal, you will unlock a whole new dimension of adventure and resources that make survival mode far more rewarding.

What Exactly Is a Nether Portal?

A Nether portal is a manufactured gateway that connects the Overworld to the Nether dimension. It consists of a rectangular frame made entirely of obsidian blocks, which is then activated using flint and steel or a fire charge. Once lit, the frame fills with a swirling purple particle effect, and stepping into it instantly transports you to the Nether.

According to the official Minecraft Wiki, the frame must be vertical and rectangular, with a minimum size of 4 blocks wide by 5 blocks tall. The maximum size is 23 by 23 blocks, though most players stick to the standard 4x5 or 4x6 design for efficiency. You can also build larger portals for aesthetic purposes, but they require significantly more obsidian.

Materials You Need to Build a Nether Portal

Before you start building, gather the following items. The table below breaks down the exact quantities and where to find each material.

Obsidian is the only block that can withstand the portal’s activation. Do not try to use other blocks like stone or wood — they will not work. If you are in a pinch, you can also use a fire charge instead of flint and steel to light the portal.

How to Get Obsidian Efficiently

Obsidian forms when water flows over a lava source block. The most reliable method is to find a lava pool, pour water over it, and mine the resulting obsidian blocks. Each block takes about 10 seconds to mine with a diamond pickaxe. Community reports suggest that carrying a bucket of water and a lava bucket lets you create obsidian on demand anywhere.

Step-by-Step: Minecraft How to Make Nether Portal

Follow these four steps to build and activate your portal. The process is straightforward, but pay attention to the frame dimensions to avoid wasting obsidian.

Step 1: Choose a Safe Location

Pick a flat area in your Overworld base or near your spawn point. Make sure there are no flammable blocks nearby, because the portal’s activation can sometimes spread fire to adjacent materials. A stone or cobblestone floor is ideal.

Step 2: Build the Obsidian Frame

Place the obsidian blocks in a vertical rectangle. The most common design is 4 blocks wide and 5 blocks tall. This requires 10 obsidian blocks total:

• 4 blocks for the bottom row
• 4 blocks for the top row
• 1 block on each side for the vertical columns

Important: The corners must be obsidian. Some players mistakenly leave the corners empty, but that will not form a valid portal. The frame must be completely solid obsidian with no gaps.

Step 3: Light the Portal

Equip your flint and steel, then right-click (or press the use button) on the bottom block of the frame. The inside of the frame should immediately fill with purple particles. If nothing happens, double-check that all corners are filled with obsidian.

On Java Edition, you can also press F4 to create a Nether portal if you have cheats enabled. This is a quick shortcut for creative mode players.

Step 4: Step Through and Explore

Walk into the purple portal to be transported to the Nether. Your first visit will generate a new portal on the Nether side. Be prepared for immediate danger — the Nether is filled with ghasts, piglins, and lava lakes. Bring a flint and steel with you in case your portal gets destroyed by a ghast fireball.

Common Mistakes When Building a Nether Portal

Even experienced players sometimes mess up their portal construction. Here are the most frequent errors and how to avoid them.

Using the Wrong Block Type

Only obsidian works for the frame. Some players try to use crying obsidian or other decorative blocks, but those will not activate. Stick with standard obsidian.

Forgetting the Corners

The corners of the rectangle must be obsidian blocks. If you leave them empty, the portal will not light. This is the number one mistake reported by new players.

Lighting the Wrong Block

You must light the inside of the frame, not the frame itself. Right-click on the ground inside the obsidian rectangle, not on the obsidian blocks.

Nether Portal Mechanics and Tips

Once you have built your first portal, understanding how portals work will help you use them more effectively.

Linking Portals for Fast Travel

Every block you travel in the Nether equals about 8 blocks in the Overworld. This makes Nether portals an excellent fast-travel system. If you build a portal in the Nether at a specific location, you can create a matching portal in the Overworld to teleport long distances instantly.

Portal Deactivation

A portal can be deactivated if a ghast fireball hits the frame, if water or lava flows into the portal, or if a block is broken from the frame. Always carry extra obsidian and flint and steel when exploring the Nether.

Multiple Portals

You can build as many portals as you want. Each portal links to a specific location in the other dimension. If you build two Overworld portals close together, they may link to the same Nether portal. To avoid confusion, space your Overworld portals at least 1,024 blocks apart.

Frequently Asked Questions

Q: Can I make a Nether portal without a diamond pickaxe?

A: Yes, but it is much harder. You can find obsidian in ruined portal structures or obtain it through bartering with piglins. However, mining obsidian without a diamond pickaxe takes over a minute per block and drops nothing. Your best bet is to find a ruined portal and repair the frame.

Q: What happens if my Nether portal gets destroyed while I am in the Nether?

A: You will be trapped in the Nether until you rebuild the portal. Always bring at least 10 obsidian blocks and a flint and steel when you go through. If you get stuck, you can also try to find a ruined portal in the Nether or trade with piglins for obsidian.

Q: Is there a limit to how many Nether portals I can build?

A: No, you can build as many as you want. However, each portal consumes obsidian and takes up space. For performance reasons, avoid building dozens of portals within the same chunk.

Q: Can I build a horizontal Nether portal?

A: No, Nether portals must be vertical. Horizontal frames will not activate, even if made of obsidian. The game only recognizes vertical rectangular frames.

Final Thoughts on Building Your First Nether Portal

Mastering Minecraft how to make Nether portal opens up the game’s most exciting dimension. With just 10 obsidian blocks and a flint and steel, you can access blaze rods, Netherite, and the fastest travel system in the game. Whether you are a new player or a seasoned veteran, building a portal is a rite of passage that changes how you play Minecraft forever.

Remember to always prepare before entering the Nether. Bring extra obsidian, a flint and steel, and good armor. The Nether is unforgiving, but the rewards are worth the risk. Now go build your portal and start exploring — the Nether is waiting.