Howarth Park Boat Ramp

Howarth Park Boat Ramp is a public access point in Sonoma County, California, providing access to Lake Ralphine. It sits within the Upper Santa Rosa Creek watershed.

Sourced from California Department of Parks and Recreation . Last checked against the source on July 7, 2026.

Boat ramps on Lake Ralphine

Howarth Park Boat Ramp is the only public boat ramp we have on record for Lake Ralphine. Smaller creeks and coves sometimes have unofficial or private access points we haven't verified yet — if you know of one nearby, help us add it.

Other boat ramps in Sonoma County

Sonoma County tracks 11 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Lake Ralphine. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Howarth Park Boat Ramp or leads somewhere completely different.

• Howarth Park Lake Ralphine less than 0.1 mi away
• Spring Lake Spring Lake 0.8 mi away
• Petaluma Marina Petaluma River 16 mi away
• Monte Rio Russian River 19 mi away
• Gilardi's Lakeview Marina Petaluma River 19 mi away
• Porto Bodega Marina Bodega Bay 22 mi away