# Baker-Berry Tunnel ☑ [**Open Route Map**](https://goo.gl/maps/yiJwC6CU83xrNCyi9)\ Peak: [37.841914, -122.493445](https://goo.gl/maps/MSHNFxKBmumWdYx37) ![](/files/-LsEVASy-RlwnPukUjrx) Be sure to push the button at the top to let people know there are bicyclists in the tunnel. If you hang out in one spot for too long (ie: try to grind the guardrails on the side), there are cameras in this tunnel that are actively monitored and National Parks Police will show up quickly. ![](/files/-LsEV_X-gxaFWD8cNb81) If you carry enough speed, you can link this into the [**Bunker Road hill.**](https://hills.swarmlife.net/north/bunker-road) --- # Agent Instructions: 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: ``` GET https://swarmlife.gitbook.io/sf-hill-bombs/north/tunnel-trek.md?ask= ``` The question should be specific, self-contained, and written in natural language. 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.