> For the complete documentation index, see [llms.txt](https://anthill-dao.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://anthill-dao.gitbook.io/docs/how-to/metamask-add-binance-smart-chain-bsc-network.md).

# Metamask: Add Arbitrum Testnet Network

To configure Metamask for the Arbitrum Test Network we must add a new RPC Network. For this, open Metamask, access the accounts menu at the top-right corner and select Settings:

![](/files/e7WpD4I6dog1D43N8U1T)

Scroll down to the Networks section and select it:

![](/files/RHZrgsI5wRo0NFcNfssG)

At the bottom click on Add Network and fill in the following data:

![](/files/klLTAPmeJevVfQtQPlLS)

* **Network Name:** Arbitrum Rinkeby
* **New RPC URL:** <https://rinkeby.arbitrum.io/rpc>
* **Chain ID: 421611**
* **Currency Symbol:** ETH
* **Block Explorer URL:** [https://testnet.bscscan.com](https://rinkeby-explorer.arbitrum.io/#/)

Finally select the **Arbitrum Rinkeby** in Metamask's network selector (drop down at the top of Metamask):

![](/files/aNu2dWODjsxHegOQvJjE)

You are connected to the **Arbitrum Rinkeby** now.