Free PDFs

Free downloads, unlocked after sign-in.

Free PDFs are designed to be quick wins: useful, practical, and easy to access once a visitor has created an account. The first release is already live.

Current free release

Two products are planned for this lane. The access index is the first live lead magnet.

trek with lynx

Route access quick filter

China Hiking Access Index

PDF handbookConfidence: Medium to high

China Hiking Access Index

A free, downloadable access index for popular hiking routes in China, built for foreign hikers who want quick answers and official links where available.

Access status at a glance
Official notice links where available
Route-level notes for foreign hikers

Open details

trek with lynx

App setup and use

TwoBulu App Guide

PDF guideConfidence: Medium

TwoBulu App Guide

A simple guide to using TwoBulu for hiking discovery, planning, and trail navigation in China.

Core app workflows
Search and planning tips
Common setup pitfalls

Open details

Access flow

Sign in first, then download on site.

The email list handles sign-in and future updates. Free PDFs do not need email delivery.