# Hollow Road — Underground Atlas & Depth Log

> Underground Atlas & Depth Log (iPhone/iPad app by Ferme l'Erable Vert Inc.)

- Source: https://appshunter.io/ios/app/hollow-road/id6784708070 (this page in markdown: same URL + `.md`)
- Developer: [Ferme l'Erable Vert Inc](https://appshunter.io/developer/6784708072)
- Category: Education, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 8 MB
- Languages: American English
- Released: 2026-09-09
- Data updated: 2026-10-10
- User reviews in markdown: https://appshunter.io/ios/app/hollow-road/id6784708070/reviews.md

## What is Hollow Road?

Hollow Road is your companion for discovering and learning about the world below — caves, catacombs, castle vaults, mines, and tunnels.

Whether you are planning a visit, studying geology and history, or logging a real descent, Hollow Road brings maps, articles, checklists, and focus tools into one calm underground-themed experience.

ATLAS
• Explore dozens of underground sites on an interactive world map
• Filter by type: caves, catacombs, castles, mines, and tunnels
• Bookmark favorite locations and plan a logical route
• Read site summaries with historical context
• Optional location access helps you find the nearest site on the map
• Wikipedia summaries load when a network connection is available

DEPTH LOG
• Record expeditions with depth, duration, team size, and field notes
• Track mood, temperature, and conditions
• Visualize your descents and review personal statistics
• Export expedition summaries to share with your team

CHRONICLE
• Read curated offline articles on cave geology, medieval vaults, catacomb history, exploration safety, folklore, and architecture
• Built-in glossary with tappable terms
• Bookmark articles and resume reading where you left off
• Quick Check quizzes to reinforce what you learned

GEAR VAULT
• Pack from ready-made gear templates for caving, catacombs, castles, mines, and night exploration
• Mark required items and track readiness before you go
• Link a kit to an upcoming expedition

TORCH
• Start timed focus sessions for map study, reading, or expedition planning
• Live Activity on the Lock Screen and Dynamic Island during active sessions
• Track focus streaks and weekly session history

WIDGETS
• Home Screen widgets for torch streak, latest descent, and weekly focus rhythm

Hollow Road is designed for education and personal journaling. It does not provide professional safety certification, guided access, or emergency services. Always follow local laws, permits, and expert guidance before entering any underground site.

No account required. Your logs and progress are stored on your device.


## Version history (last 3 releases)

### 1.2 — 2026-10-06

Improved reading and bookmarks in Chronicle

### 1.1 — 2026-09-10

What’s new in 1.1

• Fresh trail-inspired launch screen while Hollow Road gets ready
• Smoother first-run setup for mountain, dry-cave, and water-cave trips
• Polished Home desk, field briefs, tools, and trip archive flow
• Clearer turnaround planning and departure checklist cues
• Stability and reliability improvements throughout the companion

### 1.0 — 2026-09-09

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-10.*