> For the complete documentation index, see [llms.txt](https://help.backtrackmaps.com/backtrack-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.backtrackmaps.com/backtrack-docs/mapping/layers/slope-angle.md).

# Slope Angle

### Slope shading

Visualize slopes with high avalanche hazard. Slope angle ranges are color coded according to the legend below.

{% hint style="success" %}
**Supported Platforms**

Desktop

Mobile (iOS & Android)
{% endhint %}

<figure><img src="/files/eFxRkNJPsFhszFyd5JCg" alt="" width="360"><figcaption></figcaption></figure>

{% tabs %}
{% tab title="Desktop" %}
You can customize the color scheme by clicking on a segment of the legend.

<figure><img src="/files/cy3olVPBeqpGUmYc2TyP" alt=""><figcaption></figcaption></figure>
{% endtab %}

{% tab title="Mobile" %}

<figure><img src="/files/5nfcy2l5cItWPgS2nov0" alt="" width="375"><figcaption></figcaption></figure>
{% endtab %}
{% endtabs %}

### Slope highlight

Highlight a specific slope angle range. This is useful for finding slopes in your target angle, i.e. 20-30º for low angle days. Or for highlighting flat areas to avoid.

{% hint style="success" %}
**Supported Platforms**

Desktop

Mobile
{% endhint %}

<figure><img src="/files/St4RXOd2O4HAke1al9Iv" alt=""><figcaption></figcaption></figure>

### Data source

This layer is produced using the highest resolution data available, including LiDAR at 1m resolution covering most of the US.

{% hint style="danger" %}
Slope angle is not a perfect indicator of avalanche potential. It's always possible that the angle has been underestimated, or that the actual angle is steeper on small, localized slopes. Always verify angles with a slope meter, and seek proper education before venturing into avalanche terrain.
{% endhint %}


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://help.backtrackmaps.com/backtrack-docs/mapping/layers/slope-angle.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
