Marymoor Park at 6046 West Lake Sammamish Parkway NE is 640 acres and it is the reason Redmond is more interesting than “the city where Microsoft is”. It holds the only velodrome in Washington, a 40-acre off-leash dog park, a 30-foot climbing wall, and a summer concert series — inside one park, in a city of about 80,000 people.

It is also the practical centre of Redmond’s claim to be the “Bicycle Capital of the Northwest”.

The velodrome — the only one in the state

This is the fact that should be better known. Marymoor is home to the only velodrome in Washington: a 400-metre track built for bicycle racing, with programmes for riders at every level rather than only for competitive cyclists.

A velodrome is a banked oval track, and track cycling is a genuinely different discipline from road riding — fixed gear, no brakes, and steeply banked turns. For anyone curious about it, having the state’s only one in a suburban regional park with public programmes is unusual and worth taking advantage of.

It is also why Redmond’s bicycle identity is more than a slogan. The city runs an annual bike race and parade, and the velodrome is the hardware behind the reputation.

The 40-acre off-leash dog park

This is Marymoor’s most popular feature and it is enormous by any standard. Forty acres of off-leash space with trails, open fields and river access — not a fenced quarter-acre run, but genuine terrain a dog can cover.

River access is the part that makes it exceptional. Dogs that swim will use it every visit, and it is the reason people drive from across the Eastside and Seattle to bring their dogs here rather than to something closer.

Rules and any seasonal restrictions are set by King County, which manages the park — confirm current requirements before your first visit rather than assuming, since off-leash rules and water-quality advisories both change. See the dog-friendly Redmond guide.

Concerts, movies and events

In the warmer months Marymoor becomes the Eastside’s outdoor entertainment venue. The Marymoor Live summer concert series draws substantial touring acts, and the outdoor movie nights are a long-standing local fixture.

We are not publishing this season’s line-up or dates — they change annually and a stale schedule is worse than none. Check the current calendar directly, and note that concerts here sell tickets separately from anything else in the park.

The practical point about event days: a concert changes the whole park. Parking fills, the atmosphere shifts, and a quiet afternoon walk becomes something else entirely. If you are coming for the trails or the dog park, check whether an event is on first — it cuts both ways, and neither is wrong, but knowing in advance decides which you get.

The climbing wall, the playground and the rest

The park has a 30-foot climbing wall with routes for beginners through to experienced climbers — another facility that would be a standalone destination in most cities and is here simply one feature among many.

There is a playground, extensive open fields, and trail access. The Sammamish River Trail runs through this part of Redmond, which connects the park into the wider regional trail network and is a large part of why the city’s cycling reputation holds.

At 640 acres the park absorbs all of this without feeling crowded outside event days — which is the genuine luxury of its size.

Parking and getting there

Marymoor has multiple parking areas, and Lot D is searched by name often enough to be worth knowing — the lots serve different parts of a very large park, so park for what you came to do rather than taking the first entrance. Arriving at the wrong end of 640 acres adds a real walk.

On event days parking fills, and on fine summer weekends the dog park draws heavily. Early is calmer.

Redmond now has light rail: Downtown Redmond station opened to passenger service on 10 May 2025, with the full 2 Line opening on 28 March 2026. The station sits on the north side of Redmond Town Center, which makes a car-free trip to this part of the city realistic in a way it was not before.

How to use the park

With a dog: the 40-acre off-leash area, ideally on a weekday or early at a weekend. Check King County’s current rules first.

On a bike: the velodrome if you want the track, the Sammamish River Trail if you want distance.

With children: the playground, the climbing wall, and the open fields — and a summer movie night if the timing works.

For a concert: check the Marymoor Live calendar, buy tickets in advance, and arrive early for parking.

For a quiet walk: a weekday, on a non-event day, at the far end from whichever lot is busiest.

Practical notes

640 acres is large — decide what you came for and park accordingly.

Check whether an event is on before planning a quiet visit.

King County manages the park; confirm off-leash rules and any advisories directly.

Light rail reaches Redmond now — Downtown Redmond station opened May 2025.

The velodrome is the only one in Washington. If you have ever been curious about track cycling, this is where.

Marymoor through the year

The Pacific Northwest gives this park two quite different personalities and it is worth planning around them.

Summer is Marymoor at full stretch: the concert series running, outdoor movie nights, the dog park busy, long light evenings and dry trails. It is also the most crowded, and event days can dominate the whole park.

Autumn is arguably the best compromise — the crowds thin, the light is good, and the trails are still firm before the rain sets in properly.

Winter is wet, and the 40-acre dog park in particular becomes genuinely muddy. Regulars accept this as the cost of the space; anyone bringing a dog they do not want caked should know in advance. The park stays open and stays used — this is the Northwest, and waiting for dry weather means waiting until May.

Spring brings the trails back and the concert season starting up again.

Why a park like this exists here

Worth a note, because 640 acres with a velodrome is not what a city of 80,000 would normally have.

Marymoor is a King County regional park rather than a Redmond city park — it serves the whole county, which is why it carries facilities at a scale the host city alone would never justify. That is also why its rules are county rules rather than city ones, and why they may differ from the smaller parks a few streets away.

For a resident, the practical consequence is excellent: a regional-scale park with a dog park, a track, a climbing wall and a concert venue sits inside your city, and it is used by people driving in from across the Eastside and Seattle to reach it.

Marymoor Park questions, answered by neighbors

How big is Marymoor Park?

Marymoor Park covers 640 acres at 6046 West Lake Sammamish Parkway NE in Redmond. It is large enough that parking for what you actually came to do matters — arriving at the wrong end adds a substantial walk.

Does Marymoor Park have a velodrome?

Yes — it is the only velodrome in Washington. It is a 400-metre banked track built for bicycle racing, with programmes for riders of all levels rather than only competitive cyclists. It is a large part of why Redmond calls itself the Bicycle Capital of the Northwest.

How big is the Marymoor off-leash dog park?

Forty acres, with trails, open fields and river access — genuine terrain rather than a fenced run. It is the park’s most popular feature and draws dog owners from across the Eastside and Seattle. King County manages the park, so confirm current off-leash rules and any advisories before your first visit.

Are there concerts at Marymoor Park?

Yes. The Marymoor Live summer concert series draws substantial touring acts in the warmer months, and outdoor movie nights are a long-standing local fixture. Line-ups and dates change annually, so check the current calendar directly — and note that an event changes the whole park, including parking.

Does Marymoor Park have a climbing wall?

Yes, a 30-foot climbing wall with routes for beginners through to experienced climbers. There is also a playground, extensive open fields, and access to the Sammamish River Trail.

Where do you park at Marymoor Park?

There are multiple lots serving different parts of the park — Lot D is the one people search for by name. Because the park is 640 acres, park for what you came to do rather than taking the first entrance. On event days and fine summer weekends the lots fill, so arrive early.

Can you get to Redmond by light rail?

Yes. Downtown Redmond station opened to passenger service on 10 May 2025, and the full 2 Line opened on 28 March 2026. The station is on the north side of Redmond Town Center, which makes a car-free trip into this part of the city realistic.