A-20 Dam

A-20 Dam: crowds and conditions

Typical pattern: moderate; weekends busier. Been there recently? Post today’s status and it shows here for the next traveller.

Status options for this lake: Full / gates open · Low water level · Entry closed.

Best time to visit A-20 Dam

Season: August to December when reservoirs are full and gates may open.

Busiest days: Weekends and long holidays.

Crowd: Moderate; weekends busier.

Typical week: Mon light · Tue light · Wed light · Thu light · Fri light · Sat busy · Sun busy.

How to reach A-20 Dam — distance from nearby cities

Coordinates: 39.99589, -104.90534. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

Places to visit near A-20 Dam

• Marfell Lakes · lake · Boulder · ~19 km · Must-see
• Butterfly Pavilion · sanctuary · Jefferson · ~23 km · Must-see
• Rocky Mountain Arsenal National Wildlife Refuge · sanctuary · Adams · ~23 km · Must-see
• ​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​St. Vrain State Park · park · Weld · ~26 km · Must-see
• Old Fort Vasquez · museum · Weld · ~29 km · Must-see
• Hackberry Park · park · Jefferson · ~29 km · Must-see
• Longmont Museum and Culture Center · museum · Boulder · ~29 km · Must-see
• Walden Ponds Wildlife Habitat · sanctuary · Boulder · ~31 km · Must-see
• Forney Museum of Transportation · museum · Denver · ~31 km · Must-see
• Former Stapleton Airport Control Tower · attraction · Denver · ~33 km · Must-see
• Hills of Standley Lake Park · lake · Jefferson · ~33 km · Must-see
• Blue Mustang · attraction · Denver · ~33 km · Must-see
• Black American West Museum · museum · Denver · ~34 km · Must-see
• Lakeside Amusement Park · park · Jefferson · ~34 km · Must-see
• Lake Rhoda · lake · Jefferson · ~34 km · Must-see
• Saint Ignatius Loyola Catholic Church · church · Denver · ~35 km · Must-see
• Denver Zoo · sanctuary · Denver · ~35 km · Must-see
• St. Elizabeth's Retreat Chapel · church · Denver · ~35 km · Must-see

See everything within a day’s drive of A-20 Dam

Other lakes, dams & reservoirs near A-20 Dam

• Marfell Lakes · lake · Boulder · ~19 km · Must-see
• Hills of Standley Lake Park · lake · Jefferson · ~33 km · Must-see
• Lake Rhoda · lake · Jefferson · ~34 km · Must-see
• Boulder Reservoir · lake · Boulder · ~36 km · Must-see
• Sloan's Lake · lake · Denver · ~37 km · Must-see
• Cherry Creek Dam · lake · Arapahoe · ~48 km · Must-see
• Gross Reservoir · lake · Boulder · ~50 km · Must-see
• Marston Lake · lake · Denver · ~54 km · Must-see
• Aurora Reservoir · lake · Arapahoe · ~60 km · Must-see
• Barker Reservoir · lake · Boulder · ~63 km · Must-see

All lakes, dams & reservoirs in Colorado

Frequently asked