# Add an Arbitrum Network

By [mThreeA](https://paragraph.com/@mthreea) · 2022-08-21

---

Add an Arbitrum Network **manually** by following the steps below.

Click on the metamask extension > click on “Ethereum Mainnet” network > click on “Custom RPC” at the end of the menu, and enter the information corresponding the the Arbitrum chain you want to connect to:

*   Network Name: Arb1
    
*   RPC: [https://arb1.arbitrum.io/rpc](https://arb1.arbitrum.io/rpc)
    
*   Chain ID: 42161
    
*   Currency Symbol: ETH
    
*   Block Explorer URL: [https://arbiscan.io](https://arbiscan.io/)
    

—

*   Network Name: arb-nova
    
*   RPC: [https://nova.arbitrum.io/rpc](https://nova.arbitrum.io/rpc)
    
*   Chain ID: 42170
    
*   Currency Symbol: ETH
    
*   Block Explorer URL: [https://nova-explorer.arbitrum.io](https://nova-explorer.arbitrum.io/)

---

*Originally published on [mThreeA](https://paragraph.com/@mthreea/add-an-arbitrum-network)*