Henry Hagg Lake Boating Rules
Learn about henry hagg lake boating rules
If you’re looking for the henry hagg lake boating rules, here’s the simple version: follow Oregon boating laws, obey posted speed/no‑wake zones, wear life jackets, have the right permits, and boat only during park hours. This guide explains what to expect at Hagg Lake, how to prepare, and the best local resources.
Quick Answer
Henry Hagg Lake allows motorized and non‑motorized boating during posted park hours. Key rules: life jackets required (kids 12 and under must wear them), follow no‑wake zones, carry an Oregon Boater Education Card for 10+ hp and PWC, have Aquatic Invasive Species permits, launch at designated ramps, pay the day‑use fee, and obey all posted signs.
What henry hagg lake boating rules Means
At Hagg Lake (Scoggins Valley Park), boating rules combine:
- Oregon state boating laws and safety requirements.
- Washington County Parks rules (hours, fees, ramps).
- On‑water markers like buoys, no‑wake zones, and closures.
In short: bring the right safety gear, have your permits/cards, use official ramps, and follow the signs and the sheriff’s marine patrol.
Why People Search for This in Gaston, Oregon
Hagg Lake sits just southeast of Gaston and about 15–25 minutes from Forest Grove and Hillsboro. It’s the closest large lake for towing, fishing, and paddling on Portland’s west side. Locals and visitors want clear, current rules so they can launch smoothly and avoid tickets—or surprises—on busy summer weekends.
What to Expect
Park hours and access
- The lake follows posted park hours (gates lock after closing). Hours vary by season; daylight is best.
- No overnight moorage or boating after closing.
Launch points
- Two main ramps: the large “C‑Ramp” near the dam and the Sain Creek ramp on the south side.
- Expect weekend lines in summer; arrive early.
Fees and passes
- A day‑use parking fee is required per vehicle; annual passes are available. Pay at kiosks or via posted methods.
Safety and equipment
- One U.S. Coast Guard–approved life jacket per person; children 12 and under must wear one at all times on an open deck.
- Boats 16 ft+ also need a throwable device (Type IV), except most paddlecraft.
Boater requirements
- Oregon Boater Education Card required to operate a motorboat over 10 hp.
- Personal watercraft (jet skis) operators must be at least 16 and have a Boater Education Card.
Aquatic Invasive Species (AIS)
- AIS permits required for all motorized boats and for non‑motorized boats 10 ft and longer (kayaks, canoes, SUPs).
- Clean, Drain, Dry your boat; stop at inspection stations when directed.
No‑wake and speed
- Obey all posted no‑wake zones near ramps, docks, and swim areas.
- Operate at a safe speed for conditions; watch for paddlers and anglers in coves.
Enforcement and conditions
- Washington County Sheriff’s Marine Patrol and state officers are active on busy days.
- Summer weekends are crowded by mid‑morning; afternoons can be breezy with chop.
- Harmful algae advisories can occur in warm months—check before you go and keep pets out of affected water.
Services
- No on‑water fuel; bring what you need. Restrooms are near ramps.
- Cell service is decent near the dam, spottier on the west shore.
Tips for Visitors / Residents
- Arrive early on sunny weekends and holidays—parking lots fill fast, especially with trailers.
- Read every sign at the ramp. Local closures and no‑wake zones can change with water level.
- Bring:
- Life jackets for everyone (kids’ PFDs that fit properly).
- Boater Education Card (if operating 10+ hp or PWC).
- AIS permit/decal (as applicable).
- Share the water. Keep a wide berth from paddlecraft and anglers in narrow arms like Sain Creek.
- Towing? Use deep, open water away from shorelines and ramps; keep your wake in check.
- Watch the wind. Mornings are usually calmer; plan paddles and towing earlier in the day.
- Pack out trash; glass is a bad idea on shorelines and ramps.
- After boating, Forest Grove has groceries and gas; Gaston has small-town eats and nearby wineries along Highway 47.
Best Local Resources
- Washington County Parks – Henry Hagg Lake (Scoggins Valley Park): park hours, fees, ramps, closures
- Oregon State Marine Board: boating laws, Boater Education Card, AIS permits
- Oregon Health Authority – Harmful Algae Bloom advisories
- Washington County Sheriff’s Office – Marine Patrol
Frequently Asked Questions About henry hagg lake boating rules
How far is Hagg Lake from Portland?
- About 30–35 miles west (roughly 45–60 minutes), depending on traffic.
What time of year is best for boating?
- Late spring through early fall. Summer weekends are busiest; weekdays and mornings are calmer.
Is it kid friendly?
- Yes, with proper life jackets and supervision. Use coves and no‑wake areas for calmer water; stick to designated swim areas for swimming.
Can I bring a jet ski?
- Yes. PWC are allowed; operators must be at least 16 and have an Oregon Boater Education Card. Obey no‑wake zones.
Is parking available for trailers?
- Yes, at the main ramps. Lots fill early on warm weekends; have a backup plan.
Can I have alcohol on the boat?
- Adults may possess alcohol, but BUII laws are strictly enforced. Operate sober, and check park rules for any shore-side restrictions.
Summary
Henry Hagg Lake boating is straightforward: boat during park hours, pay the day‑use fee, launch at the designated ramps, carry life jackets (kids 12 and under must wear them), have your Boater Education Card and AIS permits, and follow posted no‑wake and safety rules. Expect crowds on summer weekends and calm water early in the day.
Related Guides
- Best things to do around Gaston and Hagg Lake (trails, picnic spots, viewpoints)
- Where to eat and refuel after a Hagg Lake day (Gaston, Forest Grove, Hillsboro)
- Beginner’s guide to paddling at Hagg Lake (routes, wind, and safety)

