---
title: "Keystone Lake boating rules"
url: https://lakepennsylvania.org/lakes/keystone-lake-armstrong-county/
verified: 2026-10-04
checked: 2026-11-01
verdict: "20 hp max"
---

# Keystone Lake boating rules

Motors up to 20 hp, gas or electric (about 14.9 kW, our conversion), are allowed on Keystone Lake. A boat with a bigger motor may launch, but that motor can't be used. Source: 58 Pa. Code §111.3(b). Verified Oct. 4, 2026.

## Rules

- Motors over 20 hp may not be used. — [58 Pa. Code §111.3(b)](https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter111/s111.3.html) — verified 2026-10-04
- The limit counts electric motors too. A boat with a bigger motor may still launch, but that motor may not be used. — [58 Pa. Code §107.1](https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter107/s107.1.html) — verified 2026-10-04

## Ramps

- Atwood: 40.75772, -79.28348
- Numine: 40.75498, -79.27636

## Sources

- [§ 111.3. Armstrong County.](https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter111/s111.3.html) (changes effective through 56 Pa.B. 5370 (August 8, 2026))
- [§ 107.1. Horsepower restrictions.](https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/058/chapter107/s107.1.html) (changes effective through 56 Pa.B. 5370 (August 8, 2026))

PA Lake Rules Atlas is an independent website operated by WeldonPC; not affiliated with any agency. Summaries, not legal advice; the official text and posted signs control.