# Sommers–Bausch Observatory, United States: what it is and when to go

> Sommers–Bausch Observatory is an astronomical observatory in United States (Boulder, Colorado), at 1,647 m above sea level. Interests: Stargazing. The best time to visit is November to March. In June there are 14 h 50 of daylight, and in December, 9 h 10. It has articles in 3 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip.

- Address: https://kokai.app/en/paises/america/estados-unidos/sommers-bausch-observatory/
- Reviewed on: 2026-10-08
- Language: en

## In a nutshell

- **What it is:** Astronomical observatory · Stargazing
- **Where:** United States · Kittredge Loop Drive 2475, Boulder
- **Elevation:** 1,647 m
- **You can go:** November to March.
- **Nearest airport:** LAX Los Angeles, 1,350 km as the crow flies
- **Run by:** University of Colorado Boulder
- **Coordinates:** 40.00368, -105.26295

## What it is and where

Sommers–Bausch Observatory is an astronomical observatory in United States (Boulder, Colorado), at 1,647 m above sea level. It has articles in 3 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace.

Teaching and research in astronomy, and public viewing of the night skies.

It is in [Boulder, Colorado](https://kokai.app/en/paises/america/estados-unidos/boulder/), where this site lists 39 more places to see, 4.1 km from the centre.

Its coordinates are 40.00368, -105.26295; the nearest main airport is Los Angeles International Airport (LAX, Los Angeles), 1,350 km as the crow flies. How to get around United States (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse).

- [Where it is](https://www.google.com/maps/search/?api=1&query=40.003675%2C-105.262951)
- [Directions](https://www.google.com/maps/dir/?api=1&destination=40.003675%2C-105.262951)

- **Run by:** University of Colorado Boulder

It is one of the [Stargazing](https://kokai.app/en/paises/america/estados-unidos/estrellas/) places in United States. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap.

## When to go

Months when you can visit Sommers–Bausch Observatory: **November to March**.

| Mes | Época | Hours of daylight |
| --- | --- | --- |
| January | Possible | 9 h 28 |
| February | Possible | 10 h 29 |
| March | Possible | 11 h 41 |
| April | Better not | 13 h 04 |
| May | Better not | 14 h 13 |
| June | Better not | 14 h 50 |
| July | Better not | 14 h 34 |
| August | Better not | 13 h 35 |
| September | Better not | 12 h 15 |
| October | Better not | 10 h 55 |
| November | Possible | 9 h 45 |
| December | Possible | 9 h 10 |

In June there are 14 h 50 of daylight, and in December, 9 h 10. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather.

When to go to United States in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#cuando-ir).

## Before you go to United States

To enter United States there are 9 things to sort out before you leave, starting with “Book national parks and cars in advance”: they are all, with their deadlines, in [the United States checklist](https://kokai.app/en/paises/america/estados-unidos/#antes-de-salir). Currency: US dollar (USD); plugs: Type A and B · 120 V · 60 Hz (you need an adapter, and check your devices' voltage); emergencies: 911 for everything.

In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it.

## What is nearby

- [Fiske Planetarium](https://kokai.app/en/paises/america/estados-unidos/fiske-planetarium/): Planetarium in the United States · 47 m
- [University of Colorado Museum of Natural History](https://kokai.app/en/paises/america/estados-unidos/museum-of-natural-history-henderson-building/): Natural history museum in Boulder, Colorado · 911 m
- [Chautauqua Auditorium](https://kokai.app/en/paises/america/estados-unidos/chautauqua-auditorium/): Performing arts venue · 1.6 km
- [Mountain Sun Pub and Brewery](https://kokai.app/en/paises/america/estados-unidos/mountain-sun-pub-and-brewery/): Brewery · 2.0 km
- [Highland School](https://kokai.app/en/paises/america/estados-unidos/highland-school-building/): Listed on the National Register of Historic Places · 2.1 km

Distances are as the crow flies. Everything else is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

## More in United States: Stargazing

- [Palomar Observatory](https://kokai.app/en/paises/america/estados-unidos/palomar-observatory/): observatory in Southern California
- [W. M. Keck Observatory](https://kokai.app/en/paises/america/estados-unidos/w-m-keck-observatory/): astronomical observatory located in Hawaii
- [Lowell Observatory](https://kokai.app/en/paises/america/estados-unidos/lowell-observatory/): astronomical observatory
- [Yerkes Observatory](https://kokai.app/en/paises/america/estados-unidos/yerkes-observatory/): astronomical observatory in Wisconsin, USA
- [Very Large Array](https://kokai.app/en/paises/america/estados-unidos/karl-g-jansky-very-large-array/): radio astronomy observatory located on the Plains of San Agustin
- [Griffith Observatory](https://kokai.app/en/paises/america/estados-unidos/griffith-observatory/): observatory in Los Angeles, California, USA

Every United States place under Stargazing, each with its season, is on [its page](https://kokai.app/en/paises/america/estados-unidos/estrellas/).

## Frequently asked questions

### What is Sommers–Bausch Observatory?

It is an astronomical observatory in United States. It has articles in 3 Wikipedias, so it is not one of the busiest places in United States: one to enjoy at a calmer pace.

### When is the best time to visit Sommers–Bausch Observatory?

November to March. In June there are 14 h 50 of daylight, and in December, 9 h 10.

### How do you get to Sommers–Bausch Observatory?

The nearest main airport is Los Angeles International Airport (LAX), 1,350 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=40.003675%2C-105.262951) opens the route on the map, and how to get around United States is explained in [its country guide](https://kokai.app/en/paises/america/estados-unidos/#moverse).

### How do I add it to my trip?

With one tap. In Kokai it is already on the United States map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby.

### What else is around here?

Nearby you have [Fiske Planetarium](https://kokai.app/en/paises/america/estados-unidos/fiske-planetarium/), [University of Colorado Museum of Natural History](https://kokai.app/en/paises/america/estados-unidos/museum-of-natural-history-henderson-building/), [Chautauqua Auditorium](https://kokai.app/en/paises/america/estados-unidos/chautauqua-auditorium/). The rest is in [the United States guide](https://kokai.app/en/paises/america/estados-unidos/).

Data from [OpenStreetMap](https://www.openstreetmap.org/way/46938893), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q7560466), CC0. More about Sommers–Bausch Observatory on [Wikipedia](https://en.wikipedia.org/wiki/Sommers%E2%80%93Bausch_Observatory). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).

