# Boulder Reservoir > Large lake with a sandy beach and mountain views creates a peaceful, quiet atmosphere. People swim, kayak, paddleboard, and relax by the water. Facilities include a playground and volleyball nets, supporting family-friendly recreation. Source: https://www.atly.com/location/BoulderReservoir - Address: 5565 N 51st St 5275 Reservoir Rd, 5100 51st St, Boulder, CO, United States - Phone: +13034413461 - Website: https://bouldercolorado.gov/parks-rec/boulder-reservoir ## What it is good for - Picnic — 10/10 - Peaceful — 10/10 - Relaxing Spot — 10/10 - Parking Available — 10/10 - Quiet — 10/10 - Chill — 10/10 - Nice View — 9.2/10 - Scenic Views — 9/10 - Meditation Spot — 8.9/10 - Dog Friendly — 8.6/10 - Bathroom — 8.5/10 - Parks — 8.1/10 - Beach — 7.6/10 - Fun Activities — 7.2/10 - Kid Friendly — 6.7/10 ## What people say - "The sandy beach here is nice and great for families." - "The mountain views here are beautiful and outstanding." - "The bathrooms here are really nice and clean." ## Good to know - Boulder Reservoir is the only public beach and lake in Boulder County. - Out-of-state visitors cannot paddleboard at Boulder Reservoir during the season due to permit restrictions. - The bathroom and shower area at Boulder Reservoir is clean. - You need to pay an extra fee because Boulder Reservoir is a city park, not a state park. - Inflatables or rafts are not allowed in the swimming area. ## Get this data directly This page comes from the Atly Places API, which scores close to 2 million places against more than 1,400 intents — "nice view", "work friendly", "gluten free", "dog friendly" — from what real reviewers say, with the statements behind every score. - **MCP server:** `https://agentic-api.atly.com/mcp` — connect it in ChatGPT or Claude. Nothing to install. - **Guide for agents:** - **OpenAPI contract:** - **No key needed to start.** `POST https://agentic-api.atly.com/v0/keys` with an email raises the quota. Coverage is densest in the United States, with pockets in Mexico, Israel and Thailand.